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Community Patterns
Search among 18,040 community submitted regex 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
...
900
901
902
Community Library Entry
1
Regular Expression
PCRE (PHP <7.3)
/
\b
(?<!
\d.
)
(
3
[
47
]
\d
{2}
(
[
-
]
?
)
(?!
(
\d
)
\3
{5}
|
123456
|
234567
|
345678
|
424242
|
545454
)
\d
{6}
\2
(?!
(
\d
)
\4
{4}
)
\d
{5}
|
(
(
4
\d
|
5
[
1
-
5
]
|
65
)
\d
{2}
|
6011
)
(
[
-
]
?
)
(?!
(
\d
)
\8
{3}
|
4242
|
5454
|
1234
|
3456
|
5678
|
2345
|
4567
)
\d
{4}
\7
(?!
(
\d
)
\9
{3}
)
\d
{4}
\7
\d
{4}
)
(
\b
|
\s
)
(?!
.\d\d
)
/
g
Open regex in editor
Description
no description available
Submitted by
anonymous
-
9 years ago