Regular Expressions 101

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Community Patterns

0

CentraSite - match uddi keys

ECMAScript (JavaScript)
Matching CentraSite registry keys (uddi) Matches output with prefix (uddi:) Matches output without prefix does not match to service names and descriptions
Submitted by d.fernandes - 6 years ago
0

Negative Lookahead (?!)

PCRE (PHP <7.3)
Selects box only if what comes after is NOT -shadow
Submitted by anonymous - 6 years ago
0

Positive Lookahead box(?=-shadow)

PCRE (PHP <7.3)
Simple positive Lookahead - Select 'box' only if what comes after is '-shadow' See this youtube https://youtu.be/aIEjh0YsxWA?t=228
Submitted by anonymous - 6 years ago
0

Positive Lookbehind (?<=jeffery@).+

PCRE (PHP <7.3)
Simple Positive Lookbehind - only selects what is after the @ IF what comes before IS 'jeffery' Based on this (awesome) guys https://youtu.be/aIEjh0YsxWA?t=228
Submitted by anonymous - 6 years ago
0

Negative Lookbehind (?<!jeffery)@.+

PCRE (PHP <7.3)
Simple lookbehind - only selects what is after the @ IF what comes before is NOT 'jeffery' From this guys video https://www.youtube.com/watch?v=aIEjh0YsxWA&t=1s
Submitted by anonymous - 6 years ago
0

Find bash function

PCRE (PHP <7.3)
Useful for Visual Code Studio (Show Functions extension)
Submitted by anonymous - 6 years ago
0

Most Common Email Verification

PCRE (PHP <7.3)
Simple Regex that matches most emails
Submitted by anonymous - 6 years ago
0

Unix/Linux file extension (empty when file have no extension)

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

eventlog reasons regex - 2

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

CV1234/20Jan2018

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

FI-Email

ECMAScript (JavaScript)
Fleet Insight Email RegEx
Submitted by anonymous - 6 years ago
0

Phone Number check format

ECMAScript (JavaScript)
Allows optional variation in spaces and dashes and brackets as well as international numbers
Submitted by anonymous - 6 years ago
0

Event reasons including invalid

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

iepigraphs

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

Babiš

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

Dynamic Search Extra param

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

Metadata tag find and update

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

Filename.extention

ECMAScript (JavaScript)
One match
Submitted by https://stackoverflow.com/questions/4549654/get-filename-from-url-using-regular-expressions-or-javascript - 6 years ago
0

RDJ: MP3 ID

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

RDJ: MP3 Url

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

0

Regular Expression
.NET 7.0 (C#)

@"
((([A-Za-z]{3,9}:(?:\/\/)?)(?:[-;:&=\+\$,\w]+@)?[A-Za-z0-9.-]+|(?:www.|[-;:&=\+\$,\w]+@)[A-Za-z0-9.-]+)((?:\/[\+~%\/.\w\-_]*)?\??(?:[-\+=&;%@.\w_]*)#?(?:[.\!\/\\w]*))?)
"
ig
Open regex in editor

Description

A neat regular expression to extract web urls and emails from a paragraph or a text stream.

Submitted by kosalanuwan - 2 years ago