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New posts in regex
RegEx to match part of string that may or may not be present
Nov 05, 2022
regex
Regex collating symbols
Oct 20, 2022
regex
bash
How can I make the regular expression not result in “catastrophic backtracking”?
Feb 05, 2022
javascript
regex
Matching all of a certain character after a Positive Lookbehind
Jun 23, 2022
php
regex
regex-lookarounds
Require at least one alpha character
Aug 22, 2022
php
regex
validation
laravel
extract number after specific string
May 21, 2022
regex
r
stringr
Are regular expressions (regex) really regular?
Jun 13, 2022
regex
grammar
regular-language
backreference
finite-state-automaton
RegEx for matching X digits with one optional comma in between digits?
Oct 27, 2022
java
regex
How can I find the best fuzzy string match?
Sep 11, 2022
python
regex
string
fuzzy-search
pypi-regex
r mask for grep for finding the repeated words
Dec 17, 2019
r
regex
Regex match double quote which does not follow slash character
Oct 25, 2022
java
regex
Passing a dynamic value to quantifier in C# regex
Apr 21, 2019
c#
regex
replace
Why does a space cause the remembered pattern in sed to output different things
Mar 21, 2022
regex
bash
shell
sed
regex-greedy
Is there an equivalent of "&" in R's regular expressions for backreference to entire match?
Sep 10, 2022
r
regex
backreference
capture-group
Why does is this end of line (\\b) not recognised as word boundary in stringr/ICU and Perl
Oct 04, 2022
r
regex
pcre
stringr
Split a camelCase string with regex
Sep 24, 2021
javascript
regex
string
split
camelcasing
Add leading zero within a character string
Jun 13, 2022
r
regex
gsub
string-substitution
Negative lookahead in R not behaving as expected
Nov 07, 2022
r
regex
Find rows where one column string is in another column using dplyr in R
Oct 27, 2018
r
regex
dplyr
grepl
Regex for Indonesian phone number
Jan 02, 2021
regex
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