Please enable JavaScript to use this web application.
Regular
Expressions
101
Social
Donate
Info
Regex Editor
Community Patterns
Account
Regex Quiz
Settings
Order By
Most Recent
Most upvotes
Most downvotes
Highest Score
Lowest Score
Filter by Flavor
PCRE2 (PHP >=7.3)
PCRE (PHP <7.3)
ECMAScript (JavaScript)
Python
Golang
Java 8
.NET 7.0 (C#)
Rust
Sponsors
There are currently no sponsors.
Become a sponsor today!
Community Patterns
Search among 18,020 community submitted regex patterns...
0
Sedol
Python
no description available
Submitted by
anonymous
-
5 years ago
0
Cusip
Python
no description available
Submitted by
anonymous
-
5 years ago
0
First Line
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
Date Validation - Including Leap Year (mm/dd/yyyy)
ECMAScript (JavaScript)
This regex validates all dates between 01/01/1900 and 12/31/2099, including leap-year validation. It follows a mm/dd/yyyy format, and enforces two-digit month/year formats.
Submitted by
anonymous
-
5 years ago
0
Date Validation - Including Leap Year (m/d/yyyy)
PCRE (PHP <7.3)
This regex validates all dates between 1/1/1900 and 12/31/2099, including leap-year dates. It allows either one or two digit month/date values.
Submitted by
anonymous
-
5 years ago
0
Find a word (Case-Insensitive)
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
5 years ago
0
IPv4 validation
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
IPv6 validation
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
Match Valid IPv4 and IPv6
PCRE (PHP <7.3)
no description available
Submitted by
Blessy
-
5 years ago
0
HackerRank - Forward References
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
点运算符 .
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
5 years ago
0
HackerRank - Branch Reset Groups
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
Regex validate PIN code (Solution www.codewars.com)
ECMAScript (JavaScript)
Regex validate PIN code (Solution www.codewars.com) https://www.codewars.com/kata/regex-validate-pin-code/javascript
Submitted by
anonymous
-
5 years ago
1
Replace :parameters on route navigation
PCRE (PHP <7.3)
Lets modify a route dinamically from any word that starts with ':' until the next slash
Submitted by
anonymous
-
5 years ago
0
Gerrit Interactive Link
PCRE (PHP <7.3)
This is used as a general rule to create an interactive link to JIRA
Submitted by
anonymous
-
5 years ago
0
Python list indexing
Python
no description available
Submitted by
anonymous
-
5 years ago
0
Match Time
Python
no description available
Submitted by
anonymous
-
5 years ago
1
Basic Email Regex
PCRE (PHP <7.3)
matches any letters or numbers '-' '_' '.' in prefix @ letters or numbers '-' in domain . 2 or 3 letters in suffix useful for getting emails from files that include emails
Submitted by
anonymous
-
5 years ago
0
Detect Js string
Python
Regex to detect string of js
Submitted by
anonymous
-
5 years ago
0
Add NULL if no date at the end
PCRE (PHP <7.3)
Regex for detecting lines that don't have a date before closing parentheses. It uses a negative lookahead.
Submitted by
anonymous
-
5 years ago
1
...
413
414
415
416
417
...
901
Community Library Entry
0
Regular Expression
Python
r"
(?P<ipc_cpc_fi>
\b
(?P<section>
[
A
-
HY
]
)
(?(section)
(?P<class>
\d
{2}
)?
)
(?(class)
(?P<subclass>
[
A
-
Z
]
)?
)
(?(subclass)
*
(?P<group>
\d
{1,}
)?
)
(?(group)
(?:
/
(?P<subgroup>
\d
{1,}
)
)?
)
(?(subgroup)
*
(?P<subsubgroup>
[
A
-
Z
]
?
)
)
\b
)
"
gm
Open regex in editor
Description
ipc cpc fi
Submitted by
anonymous
-
5 years ago