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
Most upvotes
Most downvotes
Highest Score
Lowest Score
Filter by Flavor
PCRE2 (PHP >=7.3)
PCRE (PHP <7.3)
ECMAScript (JavaScript)
Python
Golang
Java 8
.NET 7.0 (C#)
Rust
Sponsors
There are currently no sponsors.
Become a sponsor today!
Community Patterns
Search among 18,020 community submitted regex patterns...
29
CSV line parsing
PCRE (PHP <7.3)
Captures all fields from a CSV file's line. Can be customized with user-defined field separator and protecting character.
Submitted by
Various
-
10 years ago
35
IP Address validator
ECMAScript (JavaScript)
Validates IPv4 IP Address
Submitted by
krzysp
-
9 years ago
31
ninite
PCRE (PHP <7.3)
no description available
Submitted by
peek
-
9 years ago
13
URL Validator
PCRE (PHP <7.3)
Validates - URLs with schemes - http, https and ftp Relative URL starting with / and ../
Submitted by
anonymous
-
10 years ago
16
http url regex
ECMAScript (JavaScript)
general purpose HTTP URL regex
Submitted by
Miguel Castillo @manchagnu
-
9 years ago
29
Wrap long string to spec length
PCRE (PHP <7.3)
no description available
Submitted by
fullpipe
-
11 years ago
25
Quote Macthing with escape
ECMAScript (JavaScript)
Matches text within quotes (", ') and escapes the charecters.
Submitted by
Vihan Bhargava
-
10 years ago
9
Youtube ID match
PCRE (PHP <7.3)
This regex will match any Youtube video ID thrown at it and return one capturing group containing the ID.
Submitted by
Jacob Overgaard
-
11 years ago
3
Match quoted strings, ignoring escaped quotes
PCRE (PHP <7.3)
Matches single or double quoted strings, and ignores backslash-escaped quotes within the string.
Submitted by
Maddingue
-
11 years ago
22
UK Postcode Checker
PCRE (PHP <7.3)
Checks for valid UK/British postcodes. There was another on here that had for some reason been upvoted, but it was actually incorrect as it worked on none of my valid own postcodes! Namely that it assumed two letters and a number (BS3) when you can have variations (M20). Allows for an optional spac...
Submitted by
MaffooBristol
-
10 years ago
13
regex101.com id grabber
PCRE (PHP <7.3)
grabs the ID for the regex101.com permalink to code
Submitted by
chris mccoy
-
10 years ago
7
Date validation
ECMAScript (JavaScript)
Besides leap year handling, this takes care of date validation in the yy-mm-dd format.
Submitted by
anonymous
-
9 years ago
11
Date(Including Leap Year) YYYY-MM-DD hh:mm:ss
PCRE (PHP <7.3)
Validates DateTime of format YYYY-MM-DD hh:mm:ss including Leap Year
Submitted by
Madhan
-
11 years ago
0
URL matching
PCRE (PHP <7.3)
Complete url matching with storage of various parameters
Submitted by
hjpotter92
-
10 years ago
34
Strict Password Validator
ECMAScript (JavaScript)
This regex matches only when all the following are true: password must contain 1 number (0-9) password must contain 1 uppercase letters password must contain 1 lowercase letters password must contain 1 non-alpha numeric number...
Submitted by
qho
-
7 years ago
(Last modified a year ago)
1
Validate alphanumeric and numeric range
PCRE (PHP <7.3)
For Validating alphanumeric and numeric range
Submitted by
anonymous
-
10 years ago
25
grab valid css rules and properties
ECMAScript (JavaScript)
no description available
Submitted by
Pavel Dominguez
-
10 years ago
19
Between tags content
PCRE (PHP <7.3)
no description available
Submitted by
AgustÃn Bouillet
-
9 years ago
13
PHP variable name
PCRE (PHP <7.3)
Valid PHP variable name as defined in the manual at http://php.net/manual/en/language.variables.basics.php
Submitted by
Erin Millard
-
12 years ago
9
only numbers
PCRE (PHP <7.3)
A string with only numbers in
Submitted by
Gotts
-
9 years ago
1
2
3
4
...
901
Community Library Entry
1
Regular Expression
PCRE (PHP <7.3)
/
^
(?=
.
*
(
orange
|
apple
)
)
(?!
.
*
box
)
.
*
$
/
gm
Open regex in editor
Description
matches one or two words but excludes the string if a 3rd word is present
Submitted by
Pushpesh Kumar Rajwanshi
-
3 years ago