Please enable JavaScript to use this web application.
Regular
Expressions
101
Social
Donate
Info
Regex Editor
Community Patterns
Account
Regex Quiz
Settings
Order By
Most Recent
Highest Score
Lowest Score
Most upvotes
Most downvotes
Filter by Flavor
PCRE2 (PHP >=7.3)
PCRE (PHP <7.3)
ECMAScript (JavaScript)
Python
Golang
Java 8
.NET 7.0 (C#)
Rust
Sponsors
Community Patterns
Search among 2,640 community submitted regex patterns...
2
HTML Minifier
PCRE2 (PHP >=7.3)
https://stackoverflow.com/questions/5312349/minifying-final-html-output-using-regular-expressions-with-codeigniter Thanks to @Alan Moore
Submitted by
anonymous
-
2 years ago
2
Zoom links, only with passwords
.NET 7.0 (C#)
Group 1 will have meeting id, group 2 will have password
Submitted by
anonymous
-
2 years ago
2
Parse conventional commits message
PCRE2 (PHP >=7.3)
https://conventionalcommits.org Parses commits like type(scope)!: subject
Submitted by
Alex Kinnee
-
2 years ago
2
Email with gmail+ implementation
PCRE2 (PHP >=7.3)
Regex of email with ability to add gmail's +example system example: root email = user@gmail.com gmail+ = user+extra@gmail.com
Submitted by
brad
-
2 years ago
2
Replace sub-strings in string
.NET 7.0 (C#)
Replace sub-strings in string
Submitted by
anonymous
-
a year ago
2
Palindromes
PCRE2 (PHP >=7.3)
Matches palindromes: arbitrary length ignores non-significant characters (spaces, ponctuation) ignores accents, provided the text is NFD-normalized recursive palindromes (e.g. "a été à"): either match the longest one ("a été à") or the nested ones individually ("a", "été", "à") (see comment)
Submitted by
NicolaF_
-
a year ago
(Last modified a year ago)
2
Remove extra/useless python elements for GPT input.
PCRE2 (PHP >=7.3)
This RegEx removes unused elements such as inline comments and blank lines in python code. This will save you tokens and time when using GPT-3+ or ChatGPT to help code and debug.
Submitted by
LukeL
-
a year ago
(Last modified a year ago)
2
Phone number for all countries
.NET 7.0 (C#)
Phone number for all countries. Valid symbols: ( ), -, whitespace
Submitted by
Alexander Smirnov
-
a year ago
2
Get ip address (only ipv4) Validator
.NET 7.0 (C#)
Get ip address (only ipv4) Validator
Submitted by
Mr.Tang
-
a year ago
(Last modified a year ago)
2
Aus Mobile number
.NET 7.0 (C#)
validates against multiple common formats
Submitted by
anonymous
-
a year ago
2
URL Regex
.NET 7.0 (C#)
Matches protocol, domain, port, path, query and anchor as named capturing groups.
Submitted by
Jonathan
-
9 months ago
(Last modified 9 months ago)
2
IDN Domains and Subdomains
PCRE2 (PHP >=7.3)
IDN Domains & Normal Domains This regex is able to identify any type of domain or subdomain whether it is IDN or normal, this includes domains in emojis, non-Latin characters, etc.
Submitted by
NCK
-
8 months ago
2
Mikrotik firewall logs
Golang
Matching for mikrotik ROS 7 Used in promtail and grafana
Submitted by
anonymous
-
8 months ago
(Last modified 8 months ago)
2
regex101: RFC1918 Private IPv4 Addresses, but limited to matching /24 subnet host IDs
PCRE2 (PHP >=7.3)
POSIX ERE compatible, suitable for usage in Bash [ testing Attributions Derived from [regex101: RFC1918 - Private IPv4 addresses by 0100101101001.
Submitted by
anonymous
-
7 months ago
2
Task 4 Quiz
PCRE2 (PHP >=7.3)
It needs a major modification, since matching an integer is required. The accepted answer \d+ involves only "positive" integers. But -333 or +777 are also integers, which leads to two possible solutions with the last one being the most accurate: -?\d+ : The hyphen (optional minus sign) and a digit ...
Submitted by
seQuienSoy
-
a year ago
2
Mime type parser
.NET 7.0 (C#)
A "simple" regex to parse mime types. Handles all commonly occurring parts of a mime type string such as: Type Subtype Subtype's with an extra extension (e.g. svg+xml) (Optional input) Multiple parameters (Optional input)...
Submitted by
Vespion
-
a year ago
(Last modified a year ago)
2
Discord Username (old & new)
PCRE2 (PHP >=7.3)
Accomodate for Discord's username changeover and match against either the old username or the new username. But only one or the other. Match: CesarHvl#9000 cesarhvl cesar.hvl...
Submitted by
cesarhvl
-
9 months ago
1
Test expression
PCRE2 (PHP >=7.3)
To find at most 3 a in string
Submitted by
anonymous
-
3 years ago
1
PHP North American Phone Number
PCRE2 (PHP >=7.3)
Format phone numbers to look nice! E.g. 12345678900 --> +1(234)-567-8900 Matches with most ways numbers are stored 1.234.567.8900 1 234 567 8900...
Submitted by
Mendel Groner
-
3 years ago
1
Password - mot de passe
PCRE2 (PHP >=7.3)
1 caractère minuscule minimum 1 caractère majuscule minimum 1 chiffre minimum 1 caractère spécial minimum pas d'espace 8 caractères minimum en tout
Submitted by
Sofiane
-
2 years ago
1
2
3
4
5
...
132
web log entry
2
Regular Expression
PCRE2 (PHP >=7.3)
/
(?P<host>
\d
{1,3}
.\d
{1,3}
.\d
{1,3}
.\d
{1,3}
)
(
\s
-
\s
)
(?P<user_name>
[
\w
-
]
*
)
(
\s
\[
)
(?P<time>
\w
*
\/
\w
*
\/
\d
{1,4}
:
\d
{1,2}
:
\d
{1,2}
:
\d
{1,2}
\s
-
\d
{1,4}
)
(
\]
\s
\"
)
(?P<request>
.
*
)
(
"
)
/
gm
Open regex in editor
Description
no description available
Submitted by
PepeRG
-
3 years ago