Regular Expressions 101

Library entries

18
pcre

Date Regex(DD/MM/yyyy)

no description available
Submitted by alcaamado - 8 years ago
17
pcre

Email validation

no description available
Submitted by tutsplus.com - 9 years ago
17
pcre

Between tags content

no description available
Submitted by Agustín Bouillet - 8 years ago
16
pcre

Alphanumeric Regex

no description available
Submitted by Deepan - 8 years ago
16
javascript

http url regex

general purpose HTTP URL regex
Submitted by Miguel Castillo @manchagnu - 8 years ago
16
pcre

IPv4

no description available
Submitted by robwa - 7 years ago
16
pcre

Cron schedule

Validate cron lines (even the ones commented out)
Submitted by anonymous - 7 years ago
15
javascript

Hashtag

The secret of the Twitterverse.
Submitted by Joogl - 9 years ago
15
javascript

Email (RFC2822)

Email address compliant with RFC2822
Submitted by Jago - 8 years ago
13
javascript

us postal/zip

no description available
Submitted by jay johnson - 9 years ago
12
pcre

Match Gmail Email

Match Gmail Email
Submitted by Óscar Enríquez - 9 years ago

Email (RFC2822)

Vote

15

Regular Expression
javascript

/
^([^\x00-\x20\x22\x28\x29\x2c\x2e\x3a-\x3c\x3e\x40\x5b-\x5d\x7f-\xff]+|\x22([^\x0d\x22\x5c\x80-\xff]|\x5c[\x00-\x7f])*\x22)(\x2e([^\x00-\x20\x22\x28\x29\x2c\x2e\x3a-\x3c\x3e\x40\x5b-\x5d\x7f-\xff]+|\x22([^\x0d\x22\x5c\x80-\xff]|\x5c[\x00-\x7f])*\x22))*\x40([^\x00-\x20\x22\x28\x29\x2c\x2e\x3a-\x3c\x3e\x40\x5b-\x5d\x7f-\xff]+|\x5b([^\x0d\x5b-\x5d\x80-\xff]|\x5c[\x00-\x7f])*\x5d)(\x2e([^\x00-\x20\x22\x28\x29\x2c\x2e\x3a-\x3c\x3e\x40\x5b-\x5d\x7f-\xff]+|\x5b([^\x0d\x5b-\x5d\x80-\xff]|\x5c[\x00-\x7f])*\x5d))*$
/

Description

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