Regular Expressions 101

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Community Patterns

-2

Parsing result of SQL Server version (SELECT @@VERSION)

.NET 7.0 (C#)
Parses MS SQL Server version returned from executing SELECT @@version
Submitted by M Rivas - 2 years ago
-1

MMM DDD YYYY

.NET 7.0 (C#)
FEB MON 2023
Submitted by anonymous - 2 years ago
0

Remove CDATA tags

.NET 7.0 (C#)
no description available
Submitted by anonymous - 7 years ago (Last modified a year ago)
0

ListOfSourcesSeparatedBySpaces

.NET 7.0 (C#)
A list of sources like accepted by the CSP:frame-ancestors header, plus the keywords of the X-Frame-Options header for some backward compatibility
Submitted by anonymous - 5 years ago (Last modified 7 months ago)
0

Name and ID in curly braces

.NET 7.0 (C#)
For a string that starts with '{' and ends with '}' looks for a name and id value within the curly braces. The name group should be trimmed when used to remove leading and trailing whitespace. Ex. {Test10} will result in 2 groups being returned Group 1: Test Group 2: 10
Submitted by Ryan Felton - 3 years ago
0

Наличие слова без учета регистра в тексте

.NET 7.0 (C#)
Наличие слова без учета регистра в тексте
Submitted by anonymous - 3 years ago
0

gubas2549-knju@force.com

.NET 7.0 (C#)
gubas2549-knju@force.com
Submitted by Welcome to Gboard clipboard, any text you copy will be saved here. - 3 years ago
0

Script Tag Json

.NET 7.0 (C#)
asd
Submitted by anonymous - 3 years ago
0

List of email validation

.NET 7.0 (C#)
Validate a list of emails separated by a semicolon. Supports emails with accents and other alphabets. Valid email: Abc@example.com;Abc.123@example.com;user+mailbox/department=shipping@example.com;éüöä^0@émäil.côm !#$%&'*+-/=?^_`.{|}~@example.com;"Abc@def"@example.com;"Fred Bloggs"@example.com;"Joe.\...
Submitted by Mib - 3 years ago
0

NDC

.NET 7.0 (C#)
parses all valid NDC codes with or without hyphens
Submitted by joe.cox@fortyau.com - 3 years ago
0

Migrate infoboxes in AWB: Music phase 1

.NET 7.0 (C#)
Turn comma separated values in three deprecated parameters into template calls. (timestamp not considered yet)
Submitted by anonymous - 3 years ago
0

Migrate infoboxes in AWB: Music phase 3

.NET 7.0 (C#)
Insert "|tracks=" before the first occurrence
Submitted by anonymous - 3 years ago
0

Migrate infoboxes in AWB: Music phase 2

.NET 7.0 (C#)
Remove deprecated parameters
Submitted by anonymous - 3 years ago
0

篩選MP Log Day

.NET 7.0 (C#)
篩選MP Log Day
Submitted by anonymous - 3 years ago
0

Missing copyright detector for Visual Studio (.NET)

.NET 7.0 (C#)
Detects one match per file if that file is missing the expected copyright text. This works with Visual Studio IDE. If you are using Rider (PCRE2), you can replace both \b entries with \Q then \E
Submitted by Kris Morness - 3 years ago
0

E-mail

.NET 7.0 (C#)
My first simple e-mail validator regex :)
Submitted by anonymous - 3 years ago
0

Match using named groups in .NET (C#)

.NET 7.0 (C#)
Developed for posh-git
Submitted by marckassay - 2 years ago
0

Match all filenames in any URL including those with ANSI escaped characters (dotNET version)

.NET 7.0 (C#)
Match all filenames in any URL including those with ANSI escaped characters (dotNET version)
Submitted by The Fourth Bird - 2 years ago (Last modified 2 years ago)
0

Ipv4 with optional port

.NET 7.0 (C#)
ipv4 with optional port
Submitted by anonymous - 2 years ago
0

No leading or trailing spaces

.NET 7.0 (C#)
No leading or trailing spaces
Submitted by anonymous - 2 years ago
123...6

Community Library Entry

238

Regular Expression
PCRE (PHP <7.3)

/
(?(DEFINE) (?<addr_spec> (?&local_part) @ (?&domain) ) (?<local_part> (?&dot_atom) | (?&quoted_string) | (?&obs_local_part) ) (?<domain> (?&dot_atom) | (?&domain_literal) | (?&obs_domain) ) (?<domain_literal> (?&CFWS)? \[ (?: (?&FWS)? (?&dtext) )* (?&FWS)? \] (?&CFWS)? ) (?<dtext> [\x21-\x5a] | [\x5e-\x7e] | (?&obs_dtext) ) (?<quoted_pair> \\ (?: (?&VCHAR) | (?&WSP) ) | (?&obs_qp) ) (?<dot_atom> (?&CFWS)? (?&dot_atom_text) (?&CFWS)? ) (?<dot_atom_text> (?&atext) (?: \. (?&atext) )* ) (?<atext> [a-zA-Z0-9!#$%&'*+\/=?^_`{|}~-]+ ) (?<atom> (?&CFWS)? (?&atext) (?&CFWS)? ) (?<word> (?&atom) | (?&quoted_string) ) (?<quoted_string> (?&CFWS)? " (?: (?&FWS)? (?&qcontent) )* (?&FWS)? " (?&CFWS)? ) (?<qcontent> (?&qtext) | (?&quoted_pair) ) (?<qtext> \x21 | [\x23-\x5b] | [\x5d-\x7e] | (?&obs_qtext) ) # comments and whitespace (?<FWS> (?: (?&WSP)* \r\n )? (?&WSP)+ | (?&obs_FWS) ) (?<CFWS> (?: (?&FWS)? (?&comment) )+ (?&FWS)? | (?&FWS) ) (?<comment> \( (?: (?&FWS)? (?&ccontent) )* (?&FWS)? \) ) (?<ccontent> (?&ctext) | (?&quoted_pair) | (?&comment) ) (?<ctext> [\x21-\x27] | [\x2a-\x5b] | [\x5d-\x7e] | (?&obs_ctext) ) # obsolete tokens (?<obs_domain> (?&atom) (?: \. (?&atom) )* ) (?<obs_local_part> (?&word) (?: \. (?&word) )* ) (?<obs_dtext> (?&obs_NO_WS_CTL) | (?&quoted_pair) ) (?<obs_qp> \\ (?: \x00 | (?&obs_NO_WS_CTL) | \n | \r ) ) (?<obs_FWS> (?&WSP)+ (?: \r\n (?&WSP)+ )* ) (?<obs_ctext> (?&obs_NO_WS_CTL) ) (?<obs_qtext> (?&obs_NO_WS_CTL) ) (?<obs_NO_WS_CTL> [\x01-\x08] | \x0b | \x0c | [\x0e-\x1f] | \x7f ) # character class definitions (?<VCHAR> [\x21-\x7E] ) (?<WSP> [ \t] ) ) ^(?&addr_spec)$
/
xmg
Open regex in editor

Description

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