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Community Patterns
Search among 9,440 community submitted regex patterns...
236
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 6 months ago)
1
...
470
471
472
Community Library Entry
23
Regular Expression
PCRE (PHP <7.3)
/
^
(?=
.
*
[
a
-
zA
-
Z
]
{1,}
)
(?=
.
*
[
\d
]
{0,}
)
[
a
-
zA
-
Z0
-
9
]
{1,15}
$
/
Open regex in editor
Description
1-15 alphanumeric login name
Submitted by
gsanchezc
-
9 years ago