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 3,660 community submitted regex patterns...
-2
Valid Email
ECMAScript (JavaScript)
Use this Regex for server-side validation also with some slight modifications like so for .NET -- @\w+([-+.']\w+)@\w+([-.]\w+)\.[a-zA-Z0-9]{2,6}(-.{2,6})*;
Submitted by
Fred Scales
-
9 years ago
-2
Roman numbers
ECMAScript (JavaScript)
This regex matches roman numbers from 1 (I) to 3999 (MMMCMXCIX)
Submitted by
Nicolò Ribaudo
-
9 years ago
-2
Multiple Email Address Validation
ECMAScript (JavaScript)
Validates Multiple email addresses seperated by comma.
Submitted by
Rajesh Badam
-
9 years ago
-2
Validating comma delimited strings for whitespaces & extra commas
ECMAScript (JavaScript)
Validating comma delimited strings for whitespaces & extra commas -- +(,()+){0,}
Submitted by
Cyril Mathew
-
9 years ago
-2
email regexp
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
7 years ago
-2
Match whitespace and colon, except in specific words
ECMAScript (JavaScript)
For string splitting / deconstructing
Submitted by
anonymous
-
2 years ago
-2
Ascending and Descending order
Java 8
This regex is to match Ascending or descending order of 8 digit number
Submitted by
anonymous
-
a year ago
-2
Codeforces 1800A Solution
ECMAScript (JavaScript)
By inserting this regex in a programming language to test it against Codeforces 1800A you'll solve the task
Submitted by
EntityPlantt
-
a year ago
-1
Find image style
ECMAScript (JavaScript)
style img
Submitted by
anonymous
-
11 years ago
-1
email
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
11 years ago
-1
UK Postcode Validation
ECMAScript (JavaScript)
Matches all valid, current UK Postcodes, including Girobank and non-geographic postcodes, irrespective of whether they contain a space. It does not include overseas territories. Adapted from the BS7666 postcode rules at http://www.cabinetoffice.gov.uk/govtalk/schemasstandards/e-gif/datastandards/add...
Submitted by
Ti Marner
-
9 years ago
-1
Extract the city from zip code and city input
ECMAScript (JavaScript)
no description available
Submitted by
Nils Butenschön
-
9 years ago
-1
Some kinds of emails regex.
ECMAScript (JavaScript)
Its a regex expression that matches with severals allowed kinds of emails.Enjoy it.
Submitted by
D<0S>
-
9 years ago
-1
Australian local and international mobile validation
ECMAScript (JavaScript)
no description available
Submitted by
Damien Capocchi
-
9 years ago
-1
Replace comma separated decimals (comma instead of point)
ECMAScript (JavaScript)
Matches, line by line, a comma separated list of decimal numbers with comma as decimal character (Spanish way) Produces a list of comma separated pairs (space separated innermost) of decimal numbers with point as decimal character (English way)
Submitted by
Bruno A. Castro
-
9 years ago
-1
DD/MM/YYYY
ECMAScript (JavaScript)
no description available
Submitted by
nehakadam
-
9 years ago
-1
Only letters without numbers
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
9 years ago
-1
Arabic AlphaNumeric
ECMAScript (JavaScript)
Arabic AlphaNumeric text
Submitted by
Ahmed
-
8 years ago
-1
Sri Lankan NIC Regex
ECMAScript (JavaScript)
Regular Expression to validate NIC of Sri lankna (National Identity Card)
Submitted by
Sithira Munasinghe
-
8 years ago
-1
North America - US - N11 Service Number - e.164 compliant/non-compliant
ECMAScript (JavaScript)
This expression can be used for identifying if a string (such as a dialed number using a cloud based telephony service) matches one of the known North American US N11 Service Numbers. It will match if the number is in e.164 format or not, and only matches when the string begins and ends with the des...
Submitted by
Benjamin Dean
-
8 years ago
1
2
3
4
5
...
183
Community Library Entry
0
Regular Expression
PCRE2 (PHP >=7.3)
/
(?<city>
[
A
-
Z
]
{1,2}
)
(
[^
\S\r\n
]
|
-
)*
(?<letters2>
[
A
-
Z
]
){1,2}
[^
\S\r\n
]
*
(?<numbers>
[
0
-
9
]
{1,4}
)
[^
\S\r\n
]
*
(?<suffix>
E
)?
/
gm
Open regex in editor
Description
German vehicle registration signs
Submitted by
musemind
-
2 years ago