Regular Expressions 101

Order By

Sponsors
There are currently no sponsors. Become a sponsor today!

Community Patterns

238

Matching email addresses per RFC5322

PCRE (PHP <7.3)
The BNF rules from RFC 5322 transformed to PCRE by Nikita Popov and described in the post http://nikic.github.io/2012/06/15/The-true-power-of-regular-expressions.html.
Submitted by Michael Musson - 11 years ago
483

regex101.com permalink id grabber

PCRE (PHP <7.3)
Grabs the ID for the regex101.com permalink code. If a revision number is provided, grab that as well.
Submitted by chris mccoy - 11 years ago (Last modified 8 months ago)
1...900901902

Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

/
^[\da-zA-Z+]([\da-zA-Z+]?|[\da-zA-Z+.]+[\da-zA-Z+])@[\da-zA-Z-][\da-zA-Z.-]*\.[\da-zA-Z.-]*[\da-zA-Z-]$
/
Open regex in editor

Description

no description available

Submitted by anonymous - 6 years ago