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REGEX QUESTIONS

Options matching in a command
Options matching in a command
it fixes the issue I'm actually creating a discord bot and I'm trying to match some command options and I have a problem getting the value between the square brackets. (if there is) , You may use
TAG : regex
Date : December 02 2020, 10:46 PM , By : user3045441
Breaking down a list in a string whilst acknowledging empty strings
Breaking down a list in a string whilst acknowledging empty strings
Does that help I implemented the following expression to my script to breakdown a list which is received as a string: , to @Egor for the following answer:
TAG : regex
Date : December 01 2020, 04:52 PM , By : heytopher
what is equivalent 0* |a* |b* |(a|b)*
what is equivalent 0* |a* |b* |(a|b)*
I wish this help you Well, if both a* and b* are contained in (a|b)*, you can just remove a* and b* from your regex (because it's connected with an OR). Then you are left with ε|(a|b)*. Asterix means any number of repetitions, so if you select 0 repe
TAG : regex
Date : December 01 2020, 04:50 PM , By : user3044983
Pattern match for a Switch Case statement in Groovy
Pattern match for a Switch Case statement in Groovy
To fix the issue you can do \w+ includes only letters, but you have '/' in the input stringthis works fine:
TAG : regex
Date : December 01 2020, 04:50 PM , By : Balamurugan
regex check if a character exists in combination with other characters, but not by its self
regex check if a character exists in combination with other characters, but not by its self
may help you . , You could phrase the pattern as:
TAG : regex
Date : December 01 2020, 04:50 PM , By : user3044760
Regular Expression Replace on Notepad++
Regular Expression Replace on Notepad++
This might help you I need a regular expression to replace the value in XML tags. I need to find * and replace it with XXXXX. I made an attempt to do this but its giving me "invalid regex". , I suspect that your actual starting content is something l
TAG : regex
Date : December 01 2020, 04:47 PM , By : user3044790
Obtain max length restriction from regex
Obtain max length restriction from regex
Hope this helps You can pull those values from a string representation of a regex using a regex like so:
TAG : regex
Date : December 01 2020, 04:47 PM , By : user235261
How to find a string of characters, of a variable length within another string
How to find a string of characters, of a variable length within another string
around this issue I am trying to write some regex that will pull 2 - 3 alpha charters from a string. This is an example of a string "01EY003 - P3 MOTOR STOP". The "E" "Y" is what i need from this specific string. The characters are always preceded b
TAG : regex
Date : December 01 2020, 04:45 PM , By : user3044150
Perl regex grouping result adding extra characters even thou not in correct group
Perl regex grouping result adding extra characters even thou not in correct group
around this issue s/PATTERN/REPLACEMENT/ is the substitution operator. It searches for a substring that matches the regex PATTERN and replaces it by REPLACEMENT.In "Text1 Text2 Text3 0" the regex (\S+)(\s+)(.*) matches as follows:
TAG : regex
Date : December 01 2020, 04:45 PM , By : user3044133
Regex if valid WebSocket address
Regex if valid WebSocket address
I hope this helps you . I'm trying to write a regex for valid websocket address but I couldn't figure out what's wrong. Here's what I've already tried , You may use
TAG : regex
Date : December 01 2020, 04:42 PM , By : mohamed tahoon
How to match a complete string containing unicode characters?
How to match a complete string containing unicode characters?
To fix the issue you can do I want to validate a string for e.g. name. A string without spaces. For normal Ascii a following regex would suffice "^\w+$" where ^ and $ takes the whole string into consideration. I tried to achieve the same result for u
TAG : regex
Date : December 01 2020, 04:40 PM , By : user3043664
Reg Exp - Matching word expect if there's a number or letter in front
Reg Exp - Matching word expect if there's a number or letter in front
will help you You can try this. (?
TAG : regex
Date : December 01 2020, 04:36 PM , By : user3043203
How to get a string before the last occurrence of a specific character before a maximum character count?
How to get a string before the last occurrence of a specific character before a maximum character count?
This might help you I have some long but variable-length texts that are divided into sections marked by ********************. I need to post those texts into a field that only accepts 2048 characters, so I will need to divide that text into groups of
TAG : regex
Date : November 28 2020, 12:01 PM , By : user3042657
Regular Expression to detect any combination of specified characters
Regular Expression to detect any combination of specified characters
this one helps. You are on the right track, and if you want to check for any number of these letters, just add the right quantifier:
TAG : regex
Date : November 28 2020, 12:01 PM , By : user3042640
Regular Expression to find div with specific class and all content within it
Regular Expression to find div with specific class and all content within it
This might help you Your expression is just fine, you might want to add a capturing group, and maybe word boundaries, that I'm guessing:
TAG : regex
Date : November 28 2020, 12:01 PM , By : user3042581
Apply 'rlike' on a regex column?
Apply 'rlike' on a regex column?
I hope this helps . Method rlike does not support regex-matching pattern stored in a Column. An alternative is to use regexp_replace as shown below:
TAG : regex
Date : November 27 2020, 05:23 PM , By : sultana
In Vim, how to match pattern only if it occurs once?
In Vim, how to match pattern only if it occurs once?
will help you I have the following text : , You may use
TAG : regex
Date : November 26 2020, 12:01 PM , By : user3041226
Matching the character before a linebreak, excluding whitespaces?
Matching the character before a linebreak, excluding whitespaces?
may help you . So I currently have a regex (https://regex101.com/r/zBE4Ju/1) that highlights the words before and after a linebreak. This is nice, but the issue is sometimes there are whitespaces after the word that appears BEFORE the line break. So
TAG : regex
Date : November 26 2020, 12:01 PM , By : user3041193
How can I use ArrayFormula within a formula containing Vlookup, Filter and RegexMatch
How can I use ArrayFormula within a formula containing Vlookup, Filter and RegexMatch
I wish did fix the issue. I'm making a Google Spreadsheet which checks if a Value in Column A contains keywords out of a List in Column F. Problem is that I want to check if the value in A is exactly the same OR partly the same.
TAG : regex
Date : November 26 2020, 06:28 AM , By : richardxx
install() with FILES_MATCHING PATTERN ignoring pattern and installing all
install() with FILES_MATCHING PATTERN ignoring pattern and installing all
this will help If any of the subfolders in your directory also contain .cfg files, CMake will copy those as well. You need to explicitly tell CMake to ignore these using the EXCLUDE directive. Also, you can concatenate multiple PATTERN directives for
TAG : regex
Date : November 26 2020, 06:23 AM , By : user3040675
regex to match if string has dot as its first occurenc?
regex to match if string has dot as its first occurenc?
Hope that helps Answer for my question is https://regexr.com/4ibl0
TAG : regex
Date : November 25 2020, 12:01 PM , By : user3040021
Regex to get at least X lines between Keywords
Regex to get at least X lines between Keywords
it should still fix some issue You might use a repeating pattern which checks if the line starts with CREATE PROCEDURE or EOF. If it does not, then match the whole line. If you only want the match, you cold omit the capturing group around CREATE PROC
TAG : regex
Date : November 24 2020, 12:01 PM , By : user3038731
Regex and Powershell that gets only data between a pre set number of slashes
Regex and Powershell that gets only data between a pre set number of slashes
I wish did fix the issue. Using PowerShell, -replace can perform the job. -replace operator uses regex for its matching mechanism.
TAG : regex
Date : November 24 2020, 12:01 PM , By : jorjpg
Parser with Regex for finding Words, filtering issue
Parser with Regex for finding Words, filtering issue
I think the issue was by ths following , I have a string that needs to be parsed I almost got it, but one element gets always excluded. I build the parser with python and the re library. , I had modified regex to match your case:
TAG : regex
Date : November 24 2020, 12:01 PM , By : user3038542
Match two emails (same number) with VBA and RegEx then move both mails
Match two emails (same number) with VBA and RegEx then move both mails
will be helpful for those in need Ok to all :) With the example from niton i have a good hint. Here are my Solution(improvements are welcome). Nitons code move two mails after matching second RegEx, therefore my code with substring matching:
TAG : regex
Date : November 24 2020, 05:48 AM , By : Kinhu
Explanation of a regex
Explanation of a regex
To fix this issue What does the following regex mean? , The ${var*/} syntax strips everything up to the last /.
TAG : regex
Date : November 23 2020, 12:01 PM , By : PeterEm
Understand sed usage
Understand sed usage
this one helps. There are a couple of problems here:You need to refer to a shell variable $FOO as $$FOO in a Makefile. If you are attempting to do it in bash or any other shell, saying:
TAG : regex
Date : November 22 2020, 11:17 AM , By : shubha
Perl: how to get lines between patterns in linux
Perl: how to get lines between patterns in linux
will help you I have a file like this
TAG : regex
Date : November 22 2020, 11:05 AM , By : jason farrugia
Filtering with grep and regex
Filtering with grep and regex
wish of those help I need to filter strings starting with "abc". , grep -o "\babc\w*" a.txt should do the trick
TAG : regex
Date : November 22 2020, 11:05 AM , By : lulupac07
regex for password that does not allow \ symbol
regex for password that does not allow \ symbol
Hope this helps I have been cautioned recently on this so placing my code in comment as answer.This regex should work:
TAG : regex
Date : November 22 2020, 11:05 AM , By : Dan Shen
Extract and update URLs in HTML string through powershell
Extract and update URLs in HTML string through powershell
it should still fix some issue If you threw all the strings in a file you could do something like so:Get-Content "testregex.html" | % {$_ -replace 'href=".+?;.+?=(.+?)amp;(.+?)"', 'href="http://newdomain/c/$1"'} | Set-Content "newtestregex.html"
TAG : regex
Date : November 22 2020, 11:05 AM , By : Ayush Singh
Regex to find a file with system time
Regex to find a file with system time
This might help you I have a folder where, i'll get files named as the date of that day. , Untested, but try
TAG : regex
Date : November 22 2020, 11:02 AM , By : Md.ismail Hossain
regular expression to replace lastname, firstname middle initial to email format
regular expression to replace lastname, firstname middle initial to email format
wish help you to fix your issue Need a little help creating a regular expression to take, for example : , You can use the following regex in C++11:
TAG : regex
Date : November 22 2020, 11:02 AM , By : Mitsuomi Takayanagi
use sed replace ""string"\1\"787" to "string"\1\"787" in cygwin
use sed replace ""string"\1\"787" to "string"\1\"787" in cygwin
this will help I am trying to search string and replace string in a file. I used the below code: , You need to "escape" the backslashes by using two in a row:
TAG : regex
Date : November 22 2020, 11:02 AM , By : apm
sed or cut? How do I only get column headers from a file?
sed or cut? How do I only get column headers from a file?
I hope this helps . Why do you think using sed would be inefficient? Certainly piping grep to sed would be a mistake, but sed is pretty good. You haven't really defined the problem very well, but assuming that you can distinguish a header by the exis
TAG : regex
Date : November 22 2020, 10:58 AM , By : Jonathan Garcia
How do I map one set of letters to another set in perl?
How do I map one set of letters to another set in perl?
hop of those help? I have a dna string like , You could use a subroutine:
TAG : regex
Date : November 22 2020, 10:58 AM , By : opera of Qin
grok - how to get a URIPATHPARAM?
grok - how to get a URIPATHPARAM?
I hope this helps . Try using http://grokdebug.herokuapp.com/discover for discovering the filters for your strings. This app is very useful especially when using and testing the long and dynamic log messages.
TAG : regex
Date : November 21 2020, 04:03 PM , By : Suhani Mishra
Compare string with regular expression on an expect script
Compare string with regular expression on an expect script
I think the issue was by ths following , Why do you compare string with regex? I think you should use command "regexp".
TAG : regex
Date : November 21 2020, 07:35 AM , By : Huiling Jiang
count pattern occurrence per line
count pattern occurrence per line
Hope that helps The desired output keeps for each line the first two 'columns' and adds the number of occurrences of 'word' on that same line. , Using awk
TAG : regex
Date : November 19 2020, 04:06 PM , By : Jacob G
Array splitting with regex
Array splitting with regex
hope this fix your issue I have an array that holds only one string, it's hash's value: , Split the string on comma, then strip off the unit at the end.
TAG : regex
Date : November 19 2020, 04:06 PM , By : J. Doe
Perl utf8 newline replacement
Perl utf8 newline replacement
around this issue Ahhh. Apparently this is one way to close it. See EDIT's in original. Apparently it's a word wrap problem, not related to stripping out newlines.
TAG : regex
Date : November 19 2020, 12:01 PM , By : Arun Jaganathan
Using awk print all lines after a regular expression and change output field separator
Using awk print all lines after a regular expression and change output field separator
I think the issue was by ths following , I've been using the "b" example from another stackoverflow post to return all the rows after a pattern match (empty line - $^) and not including the match until EOF. The first example is the unfiltered output
TAG : regex
Date : November 19 2020, 12:01 PM , By : Anish
preg_match for a number or a specific word
preg_match for a number or a specific word
To fix the issue you can do I really suck at regexp, I'm trying to figure out how to check if string is either a number or a specific word, for example blah
TAG : regex
Date : November 18 2020, 03:42 PM , By : user7451091
404 when redirecting with .htaccess because it's deleting sub-directory
404 when redirecting with .htaccess because it's deleting sub-directory
this will help What I want to do is a URL friendly site by deleting the .html. This is my .htaccess: , You can use this code:
TAG : regex
Date : November 18 2020, 03:42 PM , By : waddle
How can I delay variable interpolation in a regex to the point of use?
How can I delay variable interpolation in a regex to the point of use?
will help you I think if you wrap each regular expression in anonymous sub, you can do this sort of deferral:
TAG : regex
Date : November 18 2020, 12:01 PM , By : Diana
how to remove duplicate words matching the pattern from every line of a file in linux
how to remove duplicate words matching the pattern from every line of a file in linux
may help you . I have a file something like below , You can try:
TAG : regex
Date : November 17 2020, 12:01 PM , By : Herve Yannick
date time of regular expression
date time of regular expression
will be helpful for those in need After removing the / at the end, your RegEx is working for me. Here's a simple Sublime Text RegEx Find/Replace:
TAG : regex
Date : November 17 2020, 12:01 PM , By : Максим Рысь
Text Event Builder Regex not working
Text Event Builder Regex not working
this will help I am new to WSO2 CEP tool. My input comes from JMS message in the below format , if a single line contains:
TAG : regex
Date : November 17 2020, 12:00 PM , By : Bolat Demirkan
How can I construct this Regular Expression
How can I construct this Regular Expression
Hope that helps Well, have to do a regex for a password. , You're close, try this:
TAG : regex
Date : November 17 2020, 12:00 PM , By : Earplugs
Grails findByName Regex
Grails findByName Regex
it should still fix some issue I have a domain-class called option. There is an attribute called name. , If you need only simple "startsWith" condition, you can use like:
TAG : regex
Date : November 17 2020, 12:00 PM , By : Grak Gram
using compiled regex in threads in perl
using compiled regex in threads in perl
like below fixes the issue In the code below I'm trying to create regular expressions which I want to use in multithreading. The problem is that when using the regex, which is passed into the thread, it's compiled to 'Regexp=SCALAR(0x268aed0)' instea
TAG : regex
Date : November 17 2020, 08:25 AM , By : Liu Tianji
Split/Delimit a string on the first space/colon using regex
Split/Delimit a string on the first space/colon using regex
I hope this helps you . The problem could be that it's trying to do the longest match for the leftmost pattern. If that's the case, try changing your original^(?P< one>.*)\\s(?P< two>.*):\\s(?P< three>.*)$
TAG : regex
Date : November 17 2020, 08:25 AM , By : raja
Need regex help or alternative
Need regex help or alternative
I think the issue was by ths following , This should match the strings. I haven't made any capture groups, as you only specify that you want to match the strings, not capture any of the content.
TAG : regex
Date : November 17 2020, 08:25 AM , By : chirag tank
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