Please enable JavaScript to use this web application.
Regular
Expressions
101
Social
Social
Join the Discord community!
Follow me on twitter!
Send me an email
Donate
Donate
Donate through Paypal
Become a Github Sponsor
Info
Info
Find out what's new!
RegEx101 Wiki
Report bugs or make suggestions
What's new?
Loading content...
Close
Regex Editor
Regex Editor
Community Patterns
Community Patterns
Account
Account
Regex Quiz
Regex Quiz
Settings
Settings
Live Help
Live Help
Get help on Discord
Get help on IRC
Order By
Most Recent
Highest Score
Lowest Score
Most upvotes
Most downvotes
Filter by Flavor
PCRE2 (PHP >=7.3)
PCRE (PHP <7.3)
ECMAScript (JavaScript)
Python
Golang
Java 8
.NET (C#)
Rust
Sponsors
Community Patterns
Search among 11,760 community submitted regex patterns...
-3
1 upvotes, 4 downvotes (score 3.6%) (You must be signed in to vote)
hjghj
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
10 years ago
2014-04-21 12:53
-2
1 upvotes, 3 downvotes (score 4.6%) (You must be signed in to vote)
Why doesn't it stop at the period?
PCRE (PHP <7.3)
try to match just the name from this: Copyright © 2005 Candy Arrington. Used by permission. All rights reserved.
Submitted by
anonymous
-
10 years ago
2014-04-16 20:42
0
3 upvotes, 3 downvotes (score 18.8%) (You must be signed in to vote)
SFTP with username and optional port & password
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
10 years ago
2014-04-16 20:03
1
1 upvotes, 0 downvotes (score 20.7%) (You must be signed in to vote)
Regex: Parse LinkHeader ('Link' header)
PCRE (PHP <7.3)
A regular expression to parse a HTML 'Link' header.
Submitted by
James Furey
-
10 years ago
2014-04-15 15:35
1
2 upvotes, 1 downvotes (score 20.8%) (You must be signed in to vote)
CEF Pipe and Space Delimited Data
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
10 years ago
2014-04-07 22:20
0
1 upvotes, 1 downvotes (score 9.5%) (You must be signed in to vote)
salanki
PCRE (PHP <7.3)
no description available
Submitted by
salanki
-
10 years ago
2014-04-07 09:34
0
4 upvotes, 4 downvotes (score 21.5%) (You must be signed in to vote)
Markdown Inline Link to HTML Anchor
PCRE (PHP <7.3)
Extracts title and link from Markdown inline link to be placed into an HTML anchor tag.
Submitted by
Mike Johnson
-
10 years ago
2014-04-04 20:18
1
3 upvotes, 2 downvotes (score 23.1%) (You must be signed in to vote)
HTML Anchor to Markdown Inline Link
PCRE (PHP <7.3)
Extracts the href and title values from an anchor tag to be placed into an inline Markdown link.
Submitted by
Mike Johnson
-
10 years ago
2014-04-04 20:15
2
3 upvotes, 1 downvotes (score 30.1%) (You must be signed in to vote)
@import url(comments.css)
PCRE (PHP <7.3)
no description available
Submitted by
Mitus M.
-
10 years ago
2014-04-04 08:42
1
1 upvotes, 0 downvotes (score 20.7%) (You must be signed in to vote)
Check fr date format
PCRE (PHP <7.3)
no description available
Submitted by
Kerosene
-
10 years ago
2014-04-03 15:32
1
1 upvotes, 0 downvotes (score 20.7%) (You must be signed in to vote)
myregex
PCRE (PHP <7.3)
no description available
Submitted by
shakti
-
10 years ago
2014-04-03 10:30
1
2 upvotes, 1 downvotes (score 20.8%) (You must be signed in to vote)
select stuff of </a> [beta]
PCRE (PHP <7.3)
no description available
Submitted by
Kerosene
-
10 years ago
2014-04-03 00:43
1
1 upvotes, 0 downvotes (score 20.7%) (You must be signed in to vote)
get all title value && all the text in <a/>
PCRE (PHP <7.3)
no description available
Submitted by
Kerosene
-
10 years ago
2014-04-02 23:30
1
2 upvotes, 1 downvotes (score 20.8%) (You must be signed in to vote)
css all comments
PCRE (PHP <7.3)
no description available
Submitted by
Mitus M.
-
10 years ago
2014-03-30 13:12
1
1 upvotes, 0 downvotes (score 20.7%) (You must be signed in to vote)
gk
PCRE (PHP <7.3)
wertyuikjh
Submitted by
hjk
-
10 years ago
2014-03-28 11:28
0
1 upvotes, 1 downvotes (score 9.5%) (You must be signed in to vote)
In a pipe separed list of values check for a concrete one
PCRE (PHP <7.3)
no description available
Submitted by
furbypaloma
-
10 years ago
2014-03-28 10:16
0
1 upvotes, 1 downvotes (score 9.5%) (You must be signed in to vote)
background:url
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
10 years ago
2014-03-27 06:03
0
1 upvotes, 1 downvotes (score 9.5%) (You must be signed in to vote)
background:url
PCRE (PHP <7.3)
no description available
Submitted by
Mitus M.
-
10 years ago
2014-03-26 11:05
1
1 upvotes, 0 downvotes (score 20.7%) (You must be signed in to vote)
background:url
PCRE (PHP <7.3)
no description available
Submitted by
Mitus M.
-
10 years ago
2014-03-26 11:02
35
236 upvotes, 201 downvotes (score 49.3%) (You must be signed in to vote)
http://
PCRE (PHP <7.3)
no description available
Submitted by
Mitus M.
-
10 years ago
2014-03-26 06:44
1
...
579
580
581
582
583
584
585
...
588
Using negative lookahead
0
0 upvotes, 0 downvotes (score 0%) (You must be signed in to vote)
Regular Expression
PCRE2 (PHP >=7.3)
/
Chr
\.
(
I
(?!
I
)
|
III
(?!
I
)
)
/
gm
Open regex in editor
Description
Loading markdown...
Submitted by
dikip
-
6 months ago
2023-06-05 06:23