Stata find substring. StringCount FROM YourDatabase.

Stata find substring What command can I use here to extract the 3-5 characters? I've tried converting the numeric variables to string (01jan1982 to string) but just got a bunch of numbers, which prevent me from identifying the month correctly. h> int main() { const char *str = "/user/desktop/abc"; const int exists = strstr(str, "/abc If the characters are exotic, then -charlist- from SSC is a utility to find out what they are. J. So what Stata sees in your second example is . First, substr () is a function, not a command. findit is Stata’s most thorough, most complete command. 1, -dataex- is In this video, we discuss how to extract specific text from a string variable using substr and the word function. See help string functions in Stata 14 for Using Stata 12, I want to replace some substrings in a string variable. com Stataunderstandslength()asasynonymforitsstrlen()function. In some cases. I hope the program will improve enough to meet stata minimum standards. Q&A for work Stata counting substring. Shaunson, David T. com ustrpos() — Find substring in Unicode string DescriptionSyntaxRemarks and examplesConformability DiagnosticsAlso see Description ustrpos(s, sf, n) returns the character position in s at which sf is first found; otherwise, it returns 0. The child ID has an "A" suffix at the end of a series of integers but the parent ID has matching integers st: Re: finding a word within a string variable in Stata 12. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company -gen name2 = substr(name, 1,2)- would be an acceptable command if "name" is a string variable. , "MOH". You can browse but not post. It runs both search and net search in searching for Stata programs or documentation accessible through the Internet, whether the This can be more efficient if you know that most of the times s1 won't be a substring of s2. The state always comes after a It greatly simplifies the process of replicating your Stata example in another person's Stata, so that code can be tested on it. In this case, you want to start at the first character, and take one character, so substr(mi, 1, 1) is what you need. 0. This video shows the application of String commands in Stata. If this is not For each name, I would then place that name in my master list that I wanted. Handle: RePEc:boc:bocode:s457261 Note: This module should be installed from within Stata by typing "ssc install moss". How do I create two variables, one named Last_name, the gen newvar = "output" if substr(reg_id, 1, 5) == "input" Stata also supports pattern matching and regular expressions. Further, how to count the number of charac This seems like it should be simple, but looking through all the documentation and prior forum messages on strpos, substr, and regex, I haven't been able to find something that Title stata. I couldn’t use regular expressions because the strings I’m working with happen to contain regexp control characters. If the county names are sometimes two words, you could do this to avoid truncating them: gen cnty = word(cntyname,1) gen cnty2 = word(cntyname,2) if word(cntyname,3)~="" But, and this is big BUT, checkfor2 is not well written enough. This is required, for instance, by st varindex(); see[M-5] st varindex(). Find all unique quintuplets in an array that sum to a given target What should machining (turning, milling, grinding) in space look like An almost steam-punk short fiction about robot childcarers This will find the second occurrence of substring in string. rfind() to get the index of a substring in a string. – No loops are needed. sin the Stata Results window udsubstr(s,n 1,n 2) the Unicode substring of s, starting at character n 1, for n 2 display columns uisdigit(s)1 if the first Unicode character in sis a Unicode decimal digit; otherwise, 0 uisletter(s)1if the first Unicode character in sis a Unicode letter; otherwise, 0 ustrcompare(s 1,s 2,loc) compares two Unicode Suppose you wish to remove leading or trailing zeros from a string variable (or from a global or local macro). For more information on Statalist, see the FAQ. Osella, MD, PhD Laboratorio di Epidemiologia e Biostatistica IRCCS Saverio de When you type something in Stata that contains a local macro, then Stata's first action is to evaluate that macro, i. If the substring is found, the function returns its position. If there is a binary 0 to the right of b, the substring from b up to but not including the binary 0 is returned. Here string stands for any string containing Have you considered -tokenize- using "," as the parse character? -----Original Message----- From: [email protected] [mailto: [email protected]]On Behalf Of Michael S. I think Stata: (1) follows the ib. 1. com ustrpos() — Find substring in Unicode string DescriptionSyntaxRemarks and examplesConformability DiagnosticsAlso see Description ustrpos(s, sf, n) returns the Trying to find substring in string on sql server. find searches for the first position of the substring. Do not, however, use length() in [M-5] In Stata, words are or could be separated by spaces (other than being bound by double quotes); in the case of Stata variable names, distinct variable names are always The substr function requires a string as its first argument. I just wrote some code for this for someone else, so it's fresh on the brain. Under version 5, and before that, quotes ( " " ) were stripped by Stata Indeed, but had you followed the code suggestion or looked up ssc to find out what it does you would have found out for yourself. Find substring in string: ustrpos() Find substring in Unicode string: strreverse() Reverse string: ustrreverse() Reverse Unicode string: strtoname() Convert a string to a Stata can store strings up to 2-billion characters long and can store strings containing binary information, including binary 0 (\0). Casefolded strings may be used for caseless matching. Try Teams for free Explore Teams. 1 on W7. "or " VS. I am trying to create a do file to import a 255. Your code could be problematic for variables in which The second and third arguments to substr are the starting position and number of characters respectively. Learn more about Collectives Teams. From "Nick Cox" < [email protected] > To < [email protected] > Subject st: RE: Replace string characters disregarding the position of the character in the string: Date Fri, 22 May 2009 13:17:39 +0100 This string variable contains time stamps. h> #include <string. Login or Register by clicking 'Login or Register' at the top-right of this page. Because the county name varies in length, I can't just do a substring of a specific length, read into Stata as string variables because they contain spaces, dollar signs, commas, and percent signs. foreach var in onsite_healthclinic onsite_CBO { local new = substr("`var'", 8, . This made it easy to do a find/replace or a merge (or VLOOKUP in Excel). This lecture series is Remarks and examples stata. See my comment underneath my answer. def find_2nd(string, substring): return string. The number in the 2subinstr()— Substitute text Diagnostics subinstr(s, old, new, cnt) and subinword(s, old, new, cnt) treat cnt < 0 as if cnt = 0 was specified; the original string s is returned. E. You want whatever lies between position 1 and Find jobs at the best companies hiring right now in Brick. > > Here is For example, if you simply want to test whether a substring of “xyz” exists in another string, you can use the literal “xyz” as your regular expression. For example, I need to change all instances of CC to 18, VC to 75, and PC to 35. The new variable is the age of particular firms. i. Use ustrpso() or ustrrpos() to search based on Find Catherine's current address in New Jersey, phone number and email. (There is a reason for having both: "-something" is more specific than "something", and I don't want to accidentally remove an important part of a name. If you are looking for a church JOIN FOR FREE to find the right church for you. replace Frankfurt by FaM if designation=="xxx". Dear Statalist, I have a string variable "comment" stored as "strL" that contains a mix of numbers, characters and regexm() regexm(s,re) performs matching on the string s by regular expression re. If there is a binary 0 to the right of b, the substring from b up to but not including the For examples see Cox, N. " The usubstr() function has three arguments: the string, or string variable, from which we copy a substring; the position of the start of the substring; and the length of the substring to be copied. how to get sub string value from a string in QT C++ using regular expression. I want to replace "dis" with "reg" so that the old variable has the values: oldvar dis14 batidis leg_diszone cont and the new variable is newvar reg14 batireg leg_regzone cont Using Nick's egenmore, this can be done for whole words using -msub Find centralized, trusted content and collaborate around the technologies you use most. )Are there any extra things I'd need to Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I have a string variable in Stata which includes the company names. ; Find all instances of this character in contactno and replace with an empty string (i. You can read more about this in [U] 12. substr(s, b) is equivalent to substr(s, b, . Specific string matching. Find any part of string in another string transact sql. dbo. Prior to Stata 14, the display of extended ASCII characters was encoding dependent. Teams. Because the county name varies in length, I can't just do a substring of a specific length, starting from the beginning of the variable. The first digit of an integer is in This version statement (see [P] version or the online help for version) means that what follows is interpreted with Stata behaving as Stata 5. org . Dear everyone, I would like to know if someone knows a STATA code that I can use to extract numeric part of a string variable in STATA. Nick [email protected] Skipper Seabold I'm trying to use reshape with a string variable, but my I have a list of variables in Stata like a_1_va_0100 , a_2_va_0100 , a_3_va_0100, etc. College Station, TX: Stata Press. rfind('test') # 15 #this is the goal print string Remarks and examples stata. Could you help me please? Stata has a function -substr- substr(s,n1,n2) returns This video shows the application of String commands in Stata. Return a casefolded copy of the string. When I try to destring the variable with: is generic advice here. Abstract. Stata avoids this ambiguity by using its own parser Find substr between delimiter characters in Qt with RegEx. ) > tempvar work If you have Stata 8 or later, the answer is to type We need first to find the position of " V "or " VS "or " V. My string data is the following: sorry I though you wanted the last part of the string! ----- Original Message ----- From: "Marcela Perticara" <[email protected]> To: <[email protected]> Sent: Tuesday, June 07, 2005 10:56 AM Subject: st: Re: substring help > Heather > > Something that should work > > gen str2 state=reverse(substr(reverse(cntyname),1,2)) > > There must be an easiest way, but I always read into Stata as string variables because they contain spaces, dollar signs, commas, and percent signs. > I've tried but I was not able to find a solution. One way is: clear set more off input /// ID str15 AQ_ATC amountATC . I'm using Stata 12. Mixing in operators allows you to match more complex patterns. For example, using the auto data set sysuse auto, clear (1978 You need to combine the string function (-substr-) with other commands to "extract" the data. So far I've written a loop to do this, but can't use substr since daten is a numeric variable. 1 23 Oct 2021, 05:18. Regular expressions are especially Ask questions, find answers and collaborate at work with Stack Overflow for Teams. For example “AMC Concord”, “amc concord” and “AMC CONCORD” would presumably all refer to You need the function _substr()_ local first=substr("hey",1,1) local second=substr("hey",2,1) di "`first'" di "`second'" See help functions -> string functions Jamie Griffin >>> [email protected] I tried to use "abbrev" function as below: > > gen str11 newcountry = abbrev( country,1) > > but it didn't work. > tostring geocode, generate(str_geocode) > Then use the string processing functions to get what you want. Thanks, Andy Try the -index- function as in list if index(var_name,"ABC") I am attempting to use the subinstr() command to remove hyphens in some names. stata-journal. Keep in mind that Python indexes are zero-based and the function will return -1 Dear statalisters, I have a string variable that looks like the following: 100-2555 500-2341 564-5213 I would like to generate another variable that takes away the dash. So I I have a string variable that looks like this x\\y\\z The length of x, y and z may vary, but they all have two slashes \\ How can I replace the part before the second \\, including itself, Nick [email protected] Dalhia Mani > hi, I have a fairly simple problem for which I am sure STATA has an > easy solution but I can't seem to find it. CountOccurrencesOfString('your search Ask questions, find answers and collaborate at work with Stack Overflow for Teams. The most Stata-ish way, from my personal view, to achieve this is by converting the string to a Stata time/date format, and years from this, as presented in the following minimal example: Sayer, Bryan > > Or find the maximum value of the numeric variable (so that > you know the > number of characters), generate a string version, remove > the zero, and > convert back to a numeric. Each time stamp can be shortened to a date, which can be shortened to a year. I have tried to use indexnot() function but it yields -- Matt [email protected]-----Original Message----- From: [email protected] [mailto: [email protected]]On Behalf Of carmen gamarra Sent: Wednesday, 30 July 2008 9:50 AM To: [email 在数据处理过程中，我们有时想提取变量观测值中的某一部分。手工提取费事而且不能保证正确。今天小编给大家介绍相关的字符串函数： substr()函数、usubstr()函数 usubinstr() — Replace Unicode substring DescriptionSyntaxRemarks and examplesConformability DiagnosticsAlso see Description usubinstr(s, old, new, cnt) replaces Yes, I had to ultimately give up after spending hours thinking about the anomalous (buggy) nature of -ltrim- (even -charlist- did not pick out a non-blank character findit. I have a large dataset with two string variables: people_attending and special_attendee: *Example generated by -dataex-. Subject: Re: st: substring search Andy Choi wrote: Hi, I am a beginner at STATA. See e. Other than that, I think @arshajii's is the best for being the fastest -- it does not create any unnecessary copies/substrings. A naive way to do this would be to check if either /abc/ or /abc\0 are substrings:. Nick [email protected] David E Moore > Have you considered -tokenize- using "," as the parse character? Michael S. We will focus on using the substr(), strlen(), and subinstr() commands. 6. Follow with -trim()-. I am trying to create dummy variables in Stata that are 1 if any of the variables dx1 through dx25 start with a specific string. Look at each character in turn and decide whether it A follow up to the observation by @NickCox - Based on your example the required substring is always the last word in the string and always 5 characters long. I hope you can help me. Commands and functions are disjoint in Stata. def substring_after(s, delim): return s. I guess I'll learn by doing over time. Since the in operator is very efficient. Also, note that the spelling is "Stata". 0 or later). Find the dash. Finds the last substring equal to the given character sequence. To install: ssc install dataex clear input Suppose I have a list of names under variable Names: Beckham, Benjamin Roy, Andrew R. One can use the in operator after applying str. For example, char(128)on Microsoft Windows using Windows-1252 encoding displayed the Euro gen year=substr(fiscal_year_ended,-4,. The "length" of a numeric variable is well defined only in certain cases. Below we show an example; the variable 'x' is a numeric value, and not a string. You just need to push the maximum value through ceil(log10()). (See below). the same first three digits indicate the individual belongs to the same group. Format numerik antara lain adalah double, byte, float, binary, date, I am trying to trim a string with PowerShell. In your example, price is reported as a positive integer, and for that you don't need to convert to a string variable. If that’s a Stata date Building on @Andrew's solution, you'll get much better performance using a non-procedural table-valued-function and CROSS APPLY: SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO /* Usage: SELECT t. what should I use in a conditional statement in order to execute a command only on observations whose string variable (their name) contains a specific phrase? where the real matrix strrpos(string matrix haystack, string matrix needle) Remarks and examples stata. I know that I can do this using something like the following but for all 25 dx variables:. Hanson Sent: Wednesday, June 29, 2005 4:30 PM To: [email protected] Subject: st: Substring extraction based on punctuation I have a (large) set of variables with labels of the (general) form: Some text, some Python has string. So, we don't need explanations or apologies for Stata 18 Mata Reference Manual. Another solution would make use of the more recently added You can pipe the source string to findstr and check the value of ERRORLEVEL to see if the pattern string was found. The module is made available under Suppose you wish to remove leading or trailing zeros from a string variable (or from a global or local macro). Granted, it is not very From "Nick Cox" < [email protected] > To < [email protected] > Subject RE: st: counting the number of times a string appears in a string variable? Date Wed, 5 Nov 2008 12:56:33 -0000 Stata understands strlen() as a synonym for its own length() function, so you can use the function named strlen() in both your Stata and Mata code. str. What I need to do now is to extract part of the numeric Stata: Data Analysis and Statistical Software Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist. Step 1. I've tried but I was not able to find a solution. matches “a” or “b” (can use longer strings on either side of the operator, making it different to the next line) The following works for your example data, but notice I had to insert the "non-conventional" characters inside the regex definition because I don't see a way of expressing The update makes the problem clear. com/sjpdf. regexr(s1,re,s2) searches for re within the string (s1) and If the characters are exotic, then -charlist- from SSC is a utility to find out what they are. Stata does not recognise “no college” as a single expression, and instead treats Ordinal dates in Stata – ith day and week of month; Make use of Qualtrics’ exported csv data in Stata; Produce a fully-labeled Stata dataset from SAS — mostly; Reading If so, the whole apparatus of wildcards, matching, regular expressions and what have you can be avoided by using -substr()-. "MOSS: Stata module to find multiple occurrences of substrings," Statistical Software Components S457261, Boston College Department of Economics, revised 29 Apr 2016. generate toconvert = dx if substr(dx,-2,2)=="00". The following Stata code Title stata. I need to get rid of the trailing state name. Not that I know of. > I'm using Stata 12. We use a simple search to find the position of the "is": >>> match = re. http://www. find(s1) Ask questions, find answers and collaborate at work with Stack Overflow for Teams. gen newvar = "output" if strmatch(reg_id, "input*") is in fact the simplest Using nested loops – O(m*n) Time and O(1) Space. if Stata sin the Stata Results window udsubstr(s,n 1,n 2) the Unicode substring of s, starting at character n 1, for n 2 display columns uisdigit(s)1 if the first Unicode character in sis a Unicode decimal Stata’s string functions are all case sensitive, but in many data sets case is not important. If n is specified and is larger than zero, the search starts at the nth Unicode character You can achieve this in one line of code as follows: Take the first character of contactno. find(substring, string. Explore Teams. A value of zero indicates success and the pattern was found. You could, for instance, display a frequency table: tab icd_code if substr(icd_code,1,3) Forums for Discussing Stata; General; You are not logged in. “12345” Convert numeric variable to string, using two different methods. So, find out in advance what would be converted to missing if you forced a string variable I have a panel dataset and the first three digits of individual ID contains some regional information. com strpos() — Find substring in string SyntaxDescriptionRemarks and examplesConformability DiagnosticsAlso see Syntax real matrix strpos(string matrix From "Mingfeng Lin" < [email protected] > To [email protected] Subject Re: st: counting the number of times a string appears in a string variable? Date Wed, 5 Nov 2008 08:34:37 -0500 Title stata. > For example, I have: > > Genesee NY > Bronx NY > Queens NY > > And I want to have only: > Genesee > Bronx > Queens > > I tried > gen cnty=substr(cntyname, -2,2) > > But that does the "opposite" of what I want, ie, returns "NY". Two ways to do it: Old style (particularly pertinent to Stata 12 regexs(n) returns the nth substring within an expression matched by regexm (hence, regexm must always be run before regexs). look at its content and replace the macro with that content. gen id2 = id replace id2 = "filled" if substr(id,1,3) == "fill" or even - e. #include <stdio. – Roberto Ferrer. Ask questions, find answers and collaborate at work with Stack Overflow for Teams. When I add the variable to the dataset, STATA recognizes it as a string variable. [ Date Prev ][ Date Next ][ Thread Prev ][ Thread gen year=substr(fiscal_year_ended,-4,. Count unique values in Stata. 318–320 Stata tip 98: Counting substrings within strings Nicholas J. How to create string variable referencing other string variables in Stata? 1. To be clear on terminology here, a string may contain zeros in leading positions, such as "0string"; in trailing positions, such as "string00"; in both; or in some intermediate position, such as "string000string". Find substring in Unicode string: strreverse() Reverse string: ustrreverse() Reverse Unicode string: strtoname() Convert a string to a Stata 13 compatible name: ustrtoname() Stata Press, a division of StataCorp LLC, publishes books, manuals, and journals about Stata and general statistics topics for professional researchers of all . 2011 Speaking Stata: MMXI and all that: Handling Roman numerals within Stata. 4 Strings. Find substring in string: ustrpos() Find substring in Unicode string: strreverse() Reverse string: ustrreverse() Reverse Hello, I am using Stata 17 and have ran into a data problem. The substrings are actually divided when you I am trying to find a specific word in a string. gen newvar = reverse (var) “New York” “kroY weN” Reverse the content of a string. This seems like it should be simple, but looking through all the documentation and prior forum messages on strpos, substr, and There is a specific function in Stata 14+ to look for the last occurrence of a substring (e. So, basically I need to extract the portion after the last comma Stay updated with the latest Brick, NJ local news, trending, crime map, weather, traffic & transit, sports, lifestyle, education, municipal, business, food & drink, arts & culture, health, local life, If s1 contains no substring that matches re, the unaltered s1 is returned. Social Security numbers, times, dates, etc. Contact information for people named Catherine Newman found in Avenel, Branchburg, Brick and 9 other U. In observation 2, it is a mixture of capital and small letters (also called upper-case and lower I have a variable in Stata called place with entries that look like "Wichita, Kansas". com When working with binary strings, one can find the first or last location of the binary 0 using strpos(s, char(0)) or strrpos(s, char(0)). Donot, however, uselength() [M-5] strpos() — Find substring in string [M-5] udstrlen() — Length of Unicode string in display columns [M-5] ustrlen() I need to > transform the last two string variables into numeric ones but > I need only a substring of them ( not 200 g but 200, not (92 kcal) but 92. Remarks and examples stata. I want to Date sent: Tue, 07 Jun 2005 10:32:30 -0400 From: Heather Gold <[email protected]> Subject: st: substring help To: [email protected] Send reply to: [email protected] > Dear Fellow Listers - > > Someone has probably figured this out previously, but I can't seem to > find exactly what I need in the archives or help > > I have a string variable with county and state names merged as one I would like to remove the $ symbol from the observations of a Stata string variable (GDP per capita), in order to turn the variable from string to numerical. [YourColumn], c. I want to split this variable into a city and state variable. Find all unique quintuplets in an array that sum to a given target What should machining (turning, milling, grinding) in space look like An almost steam-punk short fiction about robot childcarers For example, if you simply want to test whether a substring of “xyz” exists in another string, you can use the literal “xyz” as your regular expression. As user1511510 has identified, there's an unusual case when abc is at the end of the file name. How do you that? With a string function. It was written by me as an extension of ds. If you had a string scalar vars containing one or more variable names, you could obtain their variable indices by coding From Amanda Fu < [email protected] > To [email protected] Subject Re: st:how to delete anything in the bracket for a string variable: Date Sun, 9 Oct 2011 09:24:29 -0400 See help string functions for subinword(). substr(x,1,length(x) - 2) and everything between the second and the last two characters is one substring with one character fewer: substr(x, 2, length(x) - 3) At some stage every serious Stata user has to browse the functions sections of the manual carefully, dry though they are! Nick [email protected] White, Justin Try this: Here the best option is to use a regular expression. I'm wondering whether there is something like string. The maximum number is not fixed (would not be more than 50) . > Because the county name varies in length, I can't just do a This has to seem naive. Additionally, your varlist syntax unemp* will not catch the variables named div_unemp## , since they do not begin with usubstr() — Extract Unicode substring DescriptionSyntaxRemarks and examplesConformability DiagnosticsAlso see Description usubstr(s, n1, n2) returns the Unicode substring of s, starting If you need to subtract a portion (substring) from a string variable, you can use substr. Here is an example::: : Y. 12345. gen dummy=0 replace dummy=1 if substr(dx1,1,4)=="6542" | substr(dx2,1,4)=="6542" gen cnty=substr(cntyname, -2,2) But that does the "opposite" of what I want, ie, returns "NY". clear * Add in some example data input index str50 words 1 "more mor morph test" 2 "ten tennis tenner tenth keeper" 3 "badder baddy bad other" end * I create a copy to compare obefore/after strip gen strip_words = words * This is a list of words I want removed. as for this problem, the syntax is different, representing my second thoughts on what is clean, but users naturally may disagree. For instance, gen flag = regexm(id, "[^0-9 . How to find a Using substring functions in Stata 16. A period (. We have 830 roles today including Travel, Nurse, Physical Therapist, Therapist and many more! But an issue is that in observation 1, the substring is capitalized, i. Stata will only look in the same observation for a matching substring when you specify the syntax you gave. I have a day-month-year variable which is inconsistently inputted: some dates have a '0' in from of the combination hi, I have a problem for which I am sure STATA has an easy solution but I couldn’t to find it. Can anyone to help me? Thanks in advance -- Alberto R. For the moment, I demand a little indulgence. Stata Journal 11(1): 126-142. com When working with binary strings, one can find the first or last location of the binary 0 using strpos(s, char(0)) or strrpos(s, char(0)). In this case gen state = substr(str_geocode,-2,2) /* -2 is 2 from the right side > for 2 It seems as if you come from another language and you insist in using loops when not strictly necessary. cities Welcome to Church Finder ® - the best way to find Christian churches in Brick NJ. I am hoping you can help > me. Stata: tag all values in a group based on a characteristic of any values in the group. casefold is the recommended method for use in case-insensitive comparison. gen cnty=substr(cntyname, -2,2) But that does the "opposite" of what I want, ie, returns "NY". com When working with binary strings, one can find the first or last location of the binary 0 using list stringvar if strops(stringvar, " INC ") | substr(stringvar, 1, 4) == "INC " | substr(stringvar, -4, 4) == " INC" Diagnostics substr(s, tosub, pos) does nothing if tosub=="". com subinstr() — Substitute text DescriptionSyntaxRemarks and examplesConformability DiagnosticsAlso see Description subinstr(s, old, new) returns s with Anyway, reading the help file and a bit of playing around with it, Stata's regexr() function only matches the first substring, so if you want to replace all of them you'll need ustrregexra() Most often when I search the internet for help on Stata, it is probably when I need to work with string variables (such as names). ) > > The commas are the On Thu, Sep 19, 2013 at 9:39 AM, George Murray wrote: > I am trying to shorten all variables with 31 or 32 characters to 30 by > removing the last 1 or 2 characters. -split- was written for precisely this purpose. , ""). YourTable t CROSS APPLY dbo. I am working on it. Variabel angka dapat disimpan dalam dua format besar: string dan numerik. Casefolding is similar to lowercasing but more aggressive because it is intended to remove all case distinctions in a Robert Picard & Nicholas J. find('test') # 0 print string. com substr() substr(s, b) is equivalent to substr(s, b, . Cox, 2011. Collectives™ on Stack Overflow As always, the only real Stata answer. g. However, I was hoping that there would be a solution without having to convert ALL the variables to strings before doing this. /* assumes nacimi is numeric and of fixed length */ gen nacimi-1 = real(substr(string try the -substr- function: gen newvarname = substr(original_variable, 5, . substr(s, tosub, pos) may not be used to extend s: substr() aborts with error if substituting tosub into s would result in a string longer For regexs, that is, to recall all or a portion of a string, the syntax is: Where n is the number assigned to the substring you want to extract. S. Cox Department of Geography Durham University strings and replaces A small trick is that "th" as a word will be preceded and followed by a space, except if it occurs at the beginning or the end of string. Not showing us an example of cd so that we can make a better suggestion. but I have to firstly find where the hospital is situated with the help of its designation and afterwards to tell Stata to e. Let's say you have the following string: Test test test test test test /abc test test test I want to 'find' the '/a' in the string and ultimately It takes a while to get used to the minimal style here, namely just ask a technical question and hope for a technical answer. partition(delim)[2] s1="hello python world, I'm a beginner" substring_after(s1, "world") # ", I'm a beginner" IMHO, this solution is more readable than @arshajii's. That function requires 3 arguments, which also include the beginning position of the substring and how long it is. com ustrpos() — Find substring in Unicode string DescriptionSyntaxRemarks and examplesConformability DiagnosticsAlso see Description ustrpos(s, sf, n) returns the I have a variable in Stata in my dataset that looks like this: city Washington city Boston city El Paso city Nashville-Davidson metropolitan government (balance) Lexington Title stata. The exceptions are no challenge really, as. [M-5] ustrpos() — How to find nonnumeric characters within a string variable and lists the observations that have this issue 03 Mar 2023, 05:11 Is there any Stata command that searches for non The solution above has been possible since early versions of Stata (with the proviso that strpos() was earlier known as index()). find(substring) + 1) Edit: I haven't thought much about the performance, but a quick recursion can help with finding the nth occurrence: Find substr between delimiter characters in Qt with RegEx. From: Nick Cox <[email protected]> Prev by Date: st: Cragg Donald tests; Next by Date: st: Bootstrapped Standard Errors; Previous by I'm cleaning a variable - last_name - that for some names the middle name is included after a comma, while for most names the middle name is stored in the variable @Pearly Spencer's answer is surely preferable, but the following kind of naive looping should occur to any programmer. Like so: The characters I Find out the location of a substring in a string. 6destring— Convert string variables to numeric variables and vice versa We want to remove all of these characters and create new variables for date, price, and percent Marcela ----- Original Message ----- From: "Heather Gold" <[email protected]> To: <[email protected]> Sent: Tuesday, June 07, 2005 10:32 AM Subject: st: substring help > Dear Fellow Listers - > > Someone has probably figured this out previously, but I can't seem to find > exactly what I need in the archives or help > > I have a string st: Dropping last digit Stata. Sometimes (rarely, but it can happen) you want to prevent that. (you can find this information by typing icd9 query). 2. ) briefly, generate a new variable equal to the contents of the original variable, minus the Some Stata interface functions require that variable names be specified in this form. Regex with Qt capture some text. e. ]") Frank -----Original Message----- From: [email protected] [mailto: [email protected]] On Behalf Of TEWODAJ MOGUES Sent: Tuesday, September 13, 2005 4:47 PM To: Stata _ Subject: st: you would use substr() to subdivide the string. hiclenum=dm0058 for a tutorial making stata. I need to get the position of that different character. find() and string. If the matching is successful, it returns 1; otherwise it returns 0. ) rename `var' `newname' } Nick [email protected] > -----Original Message----- > From: [email protected] > [mailto: [email Hello I would appreciate any advice with my problem. I would like to extract the portion containing the "country" and create a new variable (Country) with this information. Find Substring in SQL. If you are running version 15. (Also, I In Stata, I needed to search some string values. This lecture series is Title stata. Step 2. Unfortunately, individual hyphens, and names starting with hyphens, are not being removed. 0 (even if you have Stata 6. If the expectation is that every line of code has to be explained that is a tough call on people who take the time to answer questions. search(r"[^a-zA-Z](is)[^a-zA-Z]", mystr) You can try using std::string::rfind which does exactly what you want:. c:\test`file' findname from the Stata Journal has the same functionality, and much more. This conversion can be done using the string() function with an option for the format. A variable in Stata is a field in I have a dataset with several variables named: datax1 datax2 datay1 datapt datafj and I'd like to remove the 4 first characters of each to get variables with names: x1 x2 y1 pt fj I tried: foreach Carmen wrote: I have a string variable called disease_ICD (oldvar) which has the values of "International Statistical Classification of Diseases and Related Health Problems - ICD 9 and Tostring, Destring, dan Substring. hi, I have a problem for which I am sure STATA has an easy solution but I couldn’t to find it. The most common example of a complex string, however, is a date: We use the substr() function to extract pieces of the string and use the real() function, when Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company What Stata is objecting to: substr(cd) == "Alaska" is an illegal use of substr(). Possible combination (variations) of words One can use the in operator after applying str. Here is what I need to do: I have a string variable called disease_ICD (oldvar) which has the values of "International Statistical Classification of Diseases and Related Health Problems – ICD 9 and ICD 10" I need to create a new variable disease_ICDgroup (newvar Because you will likely use a dot with a numeric variable, Stata will store these values as doubles to retain the correct numeric precision, requiring 8 bytes of storage space. StringCount FROM YourDatabase. So I have since tried Remarks and examples stata. ) which I think would work if I had only numerical/string values, but with a combination of both I'm for sure confusing the system. operator; or if there is none (2), follows the base level set by fvset; or if there is none (3) uses the variable minimum as the base level. substr(var1, 6, 2) == "me" The last argument of substr() is the maximum length of the substring extracted, not the position of the I have two string variables that differ on one character for each observation. But I don't think there's a command that extracts the level or base level of a factor variable or that splits a factor variable into its variable name and level. From: Lok <[email protected]> Prev by Date: st: Dropping last digit Stata; Next by Date: Re: st: GMM minimization of regional errors imputed from hhd level model; Previous by thread: st: Dropping last digit Stata; Index(es): Date; Thread Many Stata users also wish to convert numeric data to strings and keep the leading zeros, which is good for U. The authors of the guide can happily reveal that they have applied this a lot when working with ICD The Stata Journal (2011) 11, Number 2, pp. We need to look for either /abc/ or /abc followed by a string-terminator '\0'. Python has the re module for working with regular expressions. How do you find the right one? Read help string functions. I suppose it shouldn't be that difficult command but I cannot find it. Nick [email protected] Skipper Seabold I'm trying to use reshape with a string variable, but my string variable contains special characters. a specific character) in a string. How to extract a list of substring from a string using QT RegExp. s1, re, and s2 may not contain binary 0 (\0). I am cleaning a medication file, and I was wondering if anyone knew how to search for a substring without specifying its position in the string. Here string stands for any string containing I want to replace all occurrences of a substring in some string variable with another substring. For example: string = "test test test test" print string. ) rename onsite_`new' q0052_`new' } I added quotes around the call to the local var in the substr function and added onsite_ to the rename and that seemed to work. . Casefolding is similar to lowercasing but more aggressive because it is intended to remove all case distinctions in a On 20 Aib 2006, at 12:27, Mosca, Ilaria wrote: I have a string variable that looks like the following: 100-2555 500-2341 564-5213 I would like to generate another variable that takes away the dash. Granted, it is not very powerful, but it is a legal expression. There are some very good summaries that foreach var of varlist data* { local newname = substr("`var'", 5, . find_all() which can return all found indexes (not only the first from the beginning or the first from the end). That is what an escape character is for. The variable does not contain nonnumeric characters. ) for strings that do not contain binary 0. ; Test whether the resulting string is empty. 6destring— Convert string variables to numeric variables and vice versa We Previous answer is correct only by accident. All the rows of the variable need the $ Stata 18 Mata Reference Manual. Stata does many things without explicit loops, precisely because commands already apply to all observations. CMD - Test if See help strtoname() for replacing characters not allowed in Stata names. Obviously, checkfor2 is not esthetical enough as other stata programs. Here is what I need to do: I have a string variable called disease_ICD I have a dataset with several variables named: datax1 datax2 datay1 datapt datafj and I'd like to remove the 4 first characters of each to get variables with names: x1 x2 y1 pt fj I tried: foreach var of varlist data* { local newname substr(`var', 4, length(`var')-2) rename `var' `newname' } It seems that the standard string functions may not apply to macros. Many company names have phrases such as "INC" or "CO" or " & CO" in the end of their name. split discards the separators, because it presumes that they are irrelevant to further analysis or that you could restore them at will. Python determines the position of a character in a string with the find() function. Hanson > I have a (large) set of variables with labels of the (general) form: > > Some text, some more text, still more text > Also some text, lots and lots more text, text > (etc. In fact, a single statement would do it in Stata (which is the language the question is about). Commented May 26, 2014 at 15:02. The basic idea is to iterate through a loop in the string txt and for every index in the string txt, check whether we can Hi Stata folks, I am working on a dataset where each ID is associated with a numeric value comprised of 0 and 1s. casefold to both strings. 142332 142332 Michael Blasnik > I have needed this function and include below a small ado > that does this > (although you could grab just the loop and type it > interactively instead): > > program define extrnum > version 7 > syntax varlist(max=1) , gen(str) > local maxlen: type `varlist' > local maxlen=substr("`maxlen'",4,. Add a comment | 1 Answer Sorted by: Title stata. I have a set of IDs. s1 and the result of regexr() may be at most 1,100,000 characters long. s1 in s2 It can be more efficient to convert: index = s2. Then you can have something Option 1: Elaborating on Nick’s tactical suggestion to use strings (Stata: Maximum number of consecutive occurrences of the same value across variables), I have concatenated all “move*” variables and tried to identify the starting position of a substring: I need only a substring of them ( not 200 g but 200, not (92 kcal) but 92. ied gzsff fmabyxx pdydo cwe vhoi rijzuj fegq qolyd yak