Regular Expressions 101

Please wait while the app is loading...

Regular Expressions 101

@regex101DonateSponsorContactBug Reports & FeedbackWikiWhat's new?

Order By

Sponsors

Library entries

-2
pcre

MYSQL DateTime validator (leap year support)

no description available
Submitted by anonymous - 8 years ago
-2
python

Prosed OFX DateTimeType pattern for v.2.1.1+

no description available
Submitted by Oleg Sakharov karpuscul@gmail.com - 8 years ago
-2
pcre

^.+(c.youtube.com|googlevideo.com|cdn.dailymotion.com).*\$

no description available
Submitted by anonymous - 8 years ago
-2
pcre

3~4 length password

1.the string can be of lenght 3 or 4 2.the string should start with a alphabet 3.the string should contain atleast one alphabet and number.
Submitted by Kerwin - 8 years ago
-2
pcre

12 Hour Time Pattern

no description available
Submitted by anonymous - 8 years ago
-2
pcre

xml_kv_extraction

Basic XML key-value extraction
Submitted by Keith Muggleton - 8 years ago
-2
pcre

march html tag

no description available
Submitted by anonymous - 8 years ago
-2
pcre

Camelize JSON

no description available
Submitted by anonymous - 7 years ago
-2
pcre

Substitute text between brackets

no description available
Submitted by anonymous - 7 years ago
-2
pcre

French phone attempt

no description available
Submitted by anonymous - 7 years ago
-2
pcre

Brazillian Telephone Number validator

A basic validator for BR phone numbers
Submitted by Yemolai - 7 years ago
-2
pcre

Find labels without preferredMaxLayoutWidth and multiple lines in Appl

Allows to find label generating warnings like "Automatic Preferred Max Layout Width before iOS 8.0" in XCode
Submitted by Alessio Anesa - 7 years ago
-2
pcre

remove eval(base64_decode( ));

\seval\(base64_decode\(?\)\);
Submitted by manish kumar - 7 years ago
-2
javascript

SQL Injection

SQL injection regEx pattern
Submitted by Darshan Patil - 7 years ago
-2
javascript

search all special characters

no description available
Submitted by rlynjb - 7 years ago
-2
pcre

email

matches normal email addresses like example@gmail.com but also addresses with ip addresses like example@192.168.0.34 (not ipv6)
Submitted by Adrian Kühni - 7 years ago
-2
javascript

Name/Surname

Regex to constrain a text to have at least 2 strings. Compatible with 2nd-3rd-Nth names/surnames.
Submitted by BigL - 7 years ago
-2
javascript

Valid Email

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 - 7 years ago
-2
javascript

Roman numbers

This regex matches roman numbers from 1 (I) to 3999 (MMMCMXCIX)
Submitted by Nicolò Ribaudo - 7 years ago
-2
pcre

float

matches 123.4f 123.4F .4f .4F 5f 5F
Submitted by Mateusz Paluch - 7 years ago
1...736737738739740741742...744

IP Address validator

Vote

35

Regular Expression
javascript

/
^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$
/
Open regex in editor

Description

Loading markdown...
Submitted by krzysp - 8 years ago