Regular Expressions 101

Library entries

106
javascript

trim

trim string
Submitted by fp - 10 years ago
37
pcre

http://

no description available
Submitted by Mitus M. - 9 years ago
35
javascript

IP Address validator

Validates IPv4 IP Address
Submitted by krzysp - 8 years ago
32
pcre

ninite

no description available
Submitted by peek - 8 years ago
31
javascript

Email address (most used)

Email address, most used cases
Submitted by Jago - 8 years ago
28
pcre

Wrap long string to spec length

no description available
Submitted by fullpipe - 10 years ago
23
pcre

userName

1-15 alphanumeric login name
Submitted by gsanchezc - 8 years ago

Email with + symbol

Vote

-4

Regular Expression
javascript

/
^([_a-z0-9]+[\._a-z0-9]+)(\+[a-z0-9]+)?@(([a-z0-9-]+\.)*[a-z]{2,4})$
/

Description

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