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PCRE2 (PHP >=7.3)
PCRE (PHP <7.3)
ECMAScript (JavaScript)
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Community Patterns
Search among 3,720 community submitted regex patterns...
1
HCPCS Level II codes (and modifier)
ECMAScript (JavaScript)
The CMS, who maintain these codes, describe the format as:- "HCPCS Level II codes (also known as alpha-numeric codes) consist of a single alphabetical letter followed by 4 numeric digits." (https://www.cms.gov/medicare/coding-billing/healthcare-common-procedure-system) NOTE: This regex will not ide...
Submitted by
Richard Baxter
-
a month ago
1
All zeros after first digit
ECMAScript (JavaScript)
Number string where only zeros follow the first digit
Submitted by
anonymous
-
a month ago
1
IPv4, IPv6 and CIDR ranges validation pattern
ECMAScript (JavaScript)
This regex can be used to validate IPv4 and IPv6 addresses as well as CIDR ranges
Submitted by
Simon
-
a month ago
1
Markdown Masked links
ECMAScript (JavaScript)
matches for any markdown Masked link text detected `` not detected (not valid(on most platforms))
Submitted by
yande
-
25 days ago
1
URI-reference
ECMAScript (JavaScript)
URI-reference syntax matcher based on RFC 3986 a.k.a. Uniform Resource Identifier (URI): Generic Syntax #URL #URI #RFC #3986 #RFC3986
Submitted by
Niemiets
-
23 days ago
(Last modified 22 days ago)
1
URI
ECMAScript (JavaScript)
URI syntax matcher based on RFC 3986 a.k.a. Uniform Resource Identifier (URI): Generic Syntax #URL #URI #RFC #3986 #RFC3986
Submitted by
Niemiets
-
22 days ago
(Last modified 22 days ago)
1
JWT pattern
ECMAScript (JavaScript)
handles both JWS (3 segments) and JWE (5 segments) remove the ending (?:(?:... to handle JWS only payload (2nd segment) may be empty both header (1st segment) and payload are expected to start with eyJ, a base64 encoded start of JSON object {" accepts only proper Base64url encoding (RFC 4648) with...
Submitted by
iki
-
21 days ago
1
Match all and only Emoji
ECMAScript (JavaScript)
Purpose I wanted to make a regex that just works. This is it for ECMAScript engines. Capabilities ...
Submitted by
anonymous
-
18 days ago
1
Multiline CSS to one line CSS example (C#)
.NET 7.0 (C#)
Regex that will match/replace unnecessary whitespaces in CSS code.
Submitted by
Puchkov Eugene
-
11 days ago
(Last modified 11 days ago)
1
changelog
ECMAScript (JavaScript)
changelog
Submitted by
alexsio nau
-
6 days ago
-2
Decimal Number
ECMAScript (JavaScript)
Parse decimal numbers with optional thousands and/or decimal separator. #i18n #l11n #international
Submitted by
Andreas Pizsa
-
10 years ago
-1
Find image style
ECMAScript (JavaScript)
style img
Submitted by
anonymous
-
11 years ago
-1
email
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
10 years ago
0
Phone area code - prefix - number
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
10 years ago
0
adding space after (.) period and next word
ECMAScript (JavaScript)
Requirement was to check if there is space between . and next text and if not the then add space
Submitted by
Prajkta
-
10 years ago
0
filename split
ECMAScript (JavaScript)
Splitting file names
Submitted by
Miloš Ratković
-
10 years ago
0
Telephone Number Simple
ECMAScript (JavaScript)
no description available
Submitted by
Nemesarial
-
10 years ago
0
Canadian Postal Code
ECMAScript (JavaScript)
3 Forms: H5H 5H5 H5H5H5 H5H-5H5
Submitted by
Christopher Dufort
-
9 years ago
0
IBAN
ECMAScript (JavaScript)
Italian IBAN
Submitted by
Italo
-
9 years ago
0
SSN
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
9 years ago
1
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186
Xml Start Cleaner
0
Regular Expression
ECMAScript (JavaScript)
/
(
<
\?
xml
[
a
-
zA
-
Z0
-
9
.""',?=-
]
+
>
[
\s
]
+
|
[
\s
]
+
<
\?
xml
[
a
-
zA
-
Z0
-
9
.""',?=-
]
+
>
[
\s
]
+
)
|
^
[
\s
]
+
/
Open regex in editor
Description
Selects Xml version and Encoding and whitespaces
Submitted by
Edward Coughlan
-
9 years ago