Regular
Expressions
101
Please wait while the app is loading...
Please enable JavaScript to use this web application.
Regular
Expressions
101
@regex101
Donate
Sponsor
Contact
Bug Reports & Feedback
Wiki
What's new?
What's new?
Loading content...
Close
Regex Editor
Regex Editor
Regex Library
Regex Library
Account
Account
Regex Quiz
Regex Quiz
Settings
Settings
Live Help
Live Help
Order By
Most Recent
Most Points
Fewest Points
Filter by Flavor
PCRE2
PCRE
ECMAScript
Python
Golang
Java
.NET
Sponsors
All your environment variables, in one place
Library entries
Search library
2
4 upvotes, 2 downvotes (67% like it) (You must be signed in to vote)
javascript
password 1upper 1lower 1number 1specialcharater
fjk@1Qaa$
Submitted by
Anuswadh
-
7 years ago
0
1 upvotes, 1 downvotes (50% like it) (You must be signed in to vote)
javascript
Website
no description available
Submitted by
anonymous
-
7 years ago
1
1 upvotes, 0 downvotes (100% like it) (You must be signed in to vote)
javascript
JSFiddle embeded link
A regex to match any permutation of JS Fiddles embed URL.
Submitted by
Valtrius
-
7 years ago
1
2 upvotes, 1 downvotes (67% like it) (You must be signed in to vote)
javascript
Match Markdown Text Paragraph at a Root Level
http://stackoverflow.com/q/34914559/368691
Submitted by
Gajus Kuizinas
-
7 years ago
1
1 upvotes, 0 downvotes (100% like it) (You must be signed in to vote)
javascript
Extract Text Between Specific Pipe Delimited Columns
This RegExp extract text between pipe delimited columns specified by the field index you wish to extract. Exmaple: |test1|test2|test3|test4| (?:(+)\|){1} extracts "text1" (?:(+)\|){2} extracts "text2"...
Submitted by
Samuel Davison
-
7 years ago
1
2 upvotes, 1 downvotes (67% like it) (You must be signed in to vote)
javascript
simple url regex (http,https)
To recognize url like (for the more complex one): https://word.office.live.com/wv/WordView.aspx?FBsrc=https%3A%2F%2Fwww.facebook.com%2Fattachments%2Ffile_preview.php%3Fid%3D713987203%26time%3D145332%26metadata&access_token=1606%3AAVKzw1&title=2016+Test+Document+Word+Online.doc
Submitted by
Pika
-
7 years ago
2
2 upvotes, 0 downvotes (100% like it) (You must be signed in to vote)
javascript
Strong password
Password require: lowercase, uppercase, symbol, not consecutive same letter/number, and not some specific words
Submitted by
@cadete_kdt
-
7 years ago
1
1 upvotes, 0 downvotes (100% like it) (You must be signed in to vote)
javascript
Strip Commet
Strip comments with /* ... */ or // ...
Submitted by
Willy
-
7 years ago
2
2 upvotes, 0 downvotes (100% like it) (You must be signed in to vote)
javascript
Parse string like: "[!type|name] http://some.url/to.file"
http://some.url/to.file [!css|name]http://some.url/to.file [!css] http://some.url/to.file ...
Submitted by
Max Chuhryaev
-
7 years ago
1
2 upvotes, 1 downvotes (67% like it) (You must be signed in to vote)
javascript
File extention
Extract file extention from URL
Submitted by
anonymous
-
7 years ago
1
2 upvotes, 1 downvotes (67% like it) (You must be signed in to vote)
javascript
•
no description available
Submitted by
anonymous
-
7 years ago
1
1 upvotes, 0 downvotes (100% like it) (You must be signed in to vote)
javascript
Match URL segment
no description available
Submitted by
anonymous
-
7 years ago
1
1 upvotes, 0 downvotes (100% like it) (You must be signed in to vote)
javascript
Parsing a host from a URL
no description available
Submitted by
Alex LaFroscia
-
7 years ago
2
2 upvotes, 0 downvotes (100% like it) (You must be signed in to vote)
javascript
Delimite a number with 3-digital block
no description available
Submitted by
Willy
-
7 years ago
1
1 upvotes, 0 downvotes (100% like it) (You must be signed in to vote)
javascript
email validation regex
no description available
Submitted by
parul
-
7 years ago
2
3 upvotes, 1 downvotes (75% like it) (You must be signed in to vote)
javascript
fffs
dfsfd
Submitted by
anonymous
-
7 years ago
1
1 upvotes, 0 downvotes (100% like it) (You must be signed in to vote)
javascript
Validate percentage in JavaScript (Working)
no description available
Submitted by
anonymous
-
7 years ago
1
1 upvotes, 0 downvotes (100% like it) (You must be signed in to vote)
javascript
JavaScript Percentage Validation
no description available
Submitted by
rat
-
7 years ago
1
1 upvotes, 0 downvotes (100% like it) (You must be signed in to vote)
javascript
url
url
Submitted by
anonymous
-
7 years ago
1
1 upvotes, 0 downvotes (100% like it) (You must be signed in to vote)
javascript
Isolate URL in Iframe
Will select everything between the double quotes in an Iframe's src tag. Useful for retrieving/replacing the URL.
Submitted by
anonymous
-
7 years ago
1
...
147
148
149
150
151
152
153
...
185
Validation
Vote
1
1 upvotes, 0 downvotes (100% like it) (You must be signed in to vote)
Regular Expression
javascript
/
^
(
25
[
0
-
5
]
|
2
[
0
-
4
]
[
0
-
9
]
|
[
01
]
?
[
0
-
9
]
[
0
-
9
]
?
)
(
\.
(
25
[
0
-
5
]
|
2
[
0
-
4
]
[
0
-
9
]
|
[
01
]
?
[
0
-
9
]
[
0
-
9
]
?
)
){3}
$
/
Open regex in editor
Description
Loading markdown...
Submitted by
Robin Venneman
- 7 years ago