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New posts in 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
How can I find _all_ locations of a regex match in Perl?
Aug 24, 2022
regex
perl
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