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 2,560 community submitted regex patterns...
0
Search for strings being used as booleans
PCRE2 (PHP >=7.3)
We had an issue wherein people were attempting to use strings as booleans in JavaScript. E.G.: return ( {thisIsAString && ... )...
Submitted by
Nedron
-
2 years ago
0
Calcul detect
PCRE2 (PHP >=7.3)
Find operation in string (used in my personnal project)
Submitted by
anonymous
-
2 years ago
0
match mail adress
PCRE2 (PHP >=7.3)
match mail adress
Submitted by
anonymous
-
2 years ago
0
Password
PCRE2 (PHP >=7.3)
Vérifie si le mot de passe contient Entre 8 - 50 caractères 1 majuscule 1 minuscule 1 symbole
Submitted by
anonymous
-
2 years ago
0
Nginx rewrite rule to match all urls except .well-known (letsencrypt challenge validation)
PCRE2 (PHP >=7.3)
Will match typical urls such as: / /somepage /some/nested/page Will not match URLs starting with...
Submitted by
anonymous
-
2 years ago
0
International Standard Book Number
PCRE2 (PHP >=7.3)
This pattern checks for the format according to the International ISBN Agency standard e.g. '978-3-16-148410-0'. Source: https://www.oreilly.com/library/view/regular-expressions-cookbook/9781449327453/ch04s13.html. NOTE: it does not validate if it is an actual ISBN number. It only validates the format.
Submitted by
Regular Expressions Cookbook, 2nd Edition by Jan Goyvaerts, Steven Levithan
-
2 years ago
-1
bl_regex_fees_types_2
PCRE2 (PHP >=7.3)
guif
Submitted by
guif
-
2 years ago
0
regex_bl_fees_types
PCRE2 (PHP >=7.3)
guif
Submitted by
guif
-
2 years ago
1
Email Match
PCRE2 (PHP >=7.3)
matches on emails.. try it
Submitted by
Singh
-
2 years ago
0
Match semantic version (numbers only)
PCRE2 (PHP >=7.3)
Match a semantic version string, but numbers only (e.g. 1.2.3). Ignore things like dev, patch, src, etc.
Submitted by
Geddings
-
2 years ago
0
Wordle Result
Golang
A Regular Expression for the result of a Wordle, that can be shared after completing the Wordle of the Day.
Submitted by
Varun R Gupta
-
2 years ago
0
toki pona tokenization
PCRE2 (PHP >=7.3)
a regex for matching words according to the rules of writing toki pona in latin characters
Submitted by
anonymous
-
2 years ago
(Last modified 2 years ago)
0
Match strings starting and ending with the same letter
PCRE2 (PHP >=7.3)
This will match all strings starting and ending with the same letters that are specified in the capturing group (in the parentheses).
Submitted by
@elliottprogrammer
-
2 years ago
0
regularExpe-Racket
PCRE2 (PHP >=7.3)
Exercises for the class with racket
Submitted by
anonymous
-
2 years ago
0
toki pona syllabification
PCRE2 (PHP >=7.3)
regular expression for syllabifying words in toki pona
Submitted by
anonymous
-
2 years ago
(Last modified 2 years ago)
0
LDAP URI regex
PCRE2 (PHP >=7.3)
ldap, ldaps, ipv4, ipv6 & dns (bare bones)
Submitted by
anonymous
-
2 years ago
0
IPv6
PCRE2 (PHP >=7.3)
small ipv6 regex
Submitted by
anonymous
-
2 years ago
0
hk_ec_lanecrawford
PCRE2 (PHP >=7.3)
Submitted by
Alex
-
2 years ago
0
正则表达式
PCRE2 (PHP >=7.3)
NFA和DFA的区别
Submitted by
wangheng
-
2 years ago
0
:
PCRE2 (PHP >=7.3)
https://regex101.com/r/769tHt/3
Submitted by
anonymous
-
2 years ago
1
...
71
72
73
74
75
...
128
Time regex
0
Regular Expression
PCRE2 (PHP >=7.3)
/
^
(
\d
{1,2}
)
[
:.
]
?
(
\d
{0,2}
)
[
:.
]
?
(
\d
{0,2}
)
[
:.
]
?
(
[
ap
]
?
\.
?
m
\.
?
)?
/
igm
Open regex in editor
Description
Regex that selects hour, minute, second, and
Meridiem Indicator
from a string.
Submitted by
PieterT2000
-
2 years ago