Regular Expressions 101

Order By

Sponsors
There are currently no sponsors. Become a sponsor today!

Community Patterns

0

Commit Message - Header Pattern (Optimized)

PCRE (PHP <7.3)
git-stuff commit message header pattern.
Submitted by jeffryangtoni24 - 6 years ago
0

Multi group regex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

Extract all emails from a document.

ECMAScript (JavaScript)
The following regex will extract email addresses from a document. Sample: This is the email: m23oeo_doc@gmail.com and this is john.doe@outlook.com also can use "," master1@yahoo.com, master2@yahoo.es etc. micro.so@aol.com.
Submitted by anonymous - 6 years ago
1

Detect JSON entries

PCRE (PHP <7.3)
This Regexp here has probably been done a ton of times, but I kind of figured one out here, so I decided to post it anyways. It may or may not be a duplicate, but this also will ignore any strings that a JSON entry may have so that it knows not to detect something if a value contains text like "som...
Submitted by Ghostyrun - 6 years ago
0

CIRRIS Occurrence Number

ECMAScript (JavaScript)
CIRRIS Occurrence Number Validator RegEx
Submitted by Anthony - 6 years ago
1

Extract columns names from any select query

Golang
This regex can capture any column name from a select query. Be the original name, like are named on table, renamed with a reserved word AS or even without explicit AS. Go on, and test with your query ;)
Submitted by Jefferson Gouveia - 6 years ago
0

nondigits - digits

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

parsing ini files

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

Uptime command splitting to monitor average load

ECMAScript (JavaScript)
This is default regular expression used at Trafikito.com to split the output of a command into columns. Trafikito monitors Linux CPU, RAM and disk space or the output of any command. Then sends emails or makes API calls in the event that something goes wrong. Monitor your Linux machine for free a...
Submitted by Trafikito.com - 6 years ago
0

SpecialsChars ending

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

HK Mobile Regex

PCRE (PHP <7.3)
For number with 8 digits: Only allow number start with 4-9. http://www.cirrhosismedication.com http://happinesspig.com http://premiumpig.com http://pmsecret.com...
Submitted by anonymous - 6 years ago
0

regex_1

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

PR364777

PCRE (PHP <7.3)
generic regex for all.
Submitted by anonymous - 6 years ago
0

removes leading zeros in a string separated by space

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

flunetd

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

Include Anything but (string)

ECMAScript (JavaScript)
This RegEx uses a lookahead to say that anything BUT (string) will be valid
Submitted by anonymous - 6 years ago
1

toby regex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

Match CNSTANT_CASE with underscores

ECMAScript (JavaScript)
Matches only ABC_DEF, not: ABC__DEF _ABC_DEF __ABC_DEF ABC_DEF_ ABC_DEF__...
Submitted by David Enke <david.enke@zalari.de> - 6 years ago
0

CSS nth child expressions

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 6 years ago
0

ip_address

PCRE (PHP <7.3)
find an ip address in a string
Submitted by anonymous - 6 years ago
1...517518519520521...902

Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

/
^.*?]\s(?<severity>\w+)\s+(?<group>[^\[]+)\[logno=(?<object>\d+)\,\s+user=(?<login>\w+)\,\s+usid=(?<recipient>\w+)\,\s+msg=\"(?<reason>[^"]*)\"]$
/
gm
Open regex in editor

Description

no description available

Submitted by anonymous - 6 years ago