Regular Expressions 101

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Community Patterns

0

IPv4 addresses that don't match RFC1918

PCRE (PHP <7.3)
Matches publicly available IPv4 addresses (excludes 10., 172.16-32, and 192.168 blocks).
Submitted by anonymous - 8 years ago
1

Liberal URL detector

PCRE (PHP <7.3)
Detects almost all URLs contained in a sentence
Submitted by https://gist.github.com/gruber - 8 years ago
1

<a href="([^"]*)"[^<]*>(?:(?!<\/?a\b[^<]*>)[\s\S])*<img src="([^"]*)"\

PCRE (PHP <7.3)
no description available
Submitted by Ivan Vlajic - 8 years ago
0

IP adress or masks

PCRE (PHP <7.3)
Match any IP adress or Subnet masks and split all bytes in capture groups
Submitted by SkullPand4 - 8 years ago
1

URL Match and split

PCRE (PHP <7.3)
match any type of url and split each part (protocol, domain, page, GET, and ID) in capture groups
Submitted by anonymous - 8 years ago
1

Text by word tail-trimming regex pattern

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
1

match @user but not email@example.com

PCRE (PHP <7.3)
for finding user mentions in markdown-like comments
Submitted by Holger Schmidt (https://github.com/forger) - 8 years ago
1

Gaddafi

PCRE (PHP <7.3)
Matches all spellings of the name Gaddafi that I've yet discovered.
Submitted by Klisz - 8 years ago
1

url segment parsing

PCRE (PHP <7.3)
URL Parsing
Submitted by Ricardo Cantu - 8 years ago
0

Substring Matching Word, Hyphen, Underscores and Digits

PCRE (PHP <7.3)
Matches customer portion of call detail records found in the fields dcontext, lastdata, and usefield of an Asterisk CDR table. Additional processing required to get fully clean values.
Submitted by lindstrom - 8 years ago
1

tag remover

PCRE (PHP <7.3)
remove html tags, while leaving text in between
Submitted by anonymous - 8 years ago
1

Data URI scheme

PCRE (PHP <7.3)
Simple and not complete pattern for getting the items of a Data URI scheme.
Submitted by @afoeder - 8 years ago
1

ANGULAR IMPORT TYPESCRIPT

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
5

ipv6

PCRE (PHP <7.3)
Match an ipv6 address
Submitted by Frusty - 8 years ago
0

@mention parser

PCRE (PHP <7.3)
Parse @mentions in text
Submitted by anonymous - 8 years ago
1

Twitter hashtag

PCRE (PHP <7.3)
no description available
Submitted by ksc - 8 years ago
2

html{ height:100%}body{ margin:0px; padding:0px; height:100%; min-hei

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

Regex to match lines having string1 and not having string3

PCRE (PHP <7.3)
no description available
Submitted by Vivek Shah - 8 years ago
1

Date and Day

PCRE (PHP <7.3)
Thur 10 Tue 2 Mon 1 e.t.c
Submitted by anonymous - 8 years ago
1

regex to find img src tags into html

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
1...464465466467468...606

Community Library Entry

1

Regular Expression
Golang

`
^(?:https?:\/\/)?(?:(?:www\.)?youtube\.com\/(?:(?:v\/)|(?:embed\/|watch(?:\/|\?)){1,2}(?:.*v=)?|.*v=)?|(?:www\.)?youtu\.be\/)([A-Za-z0-9_\-]+)&?.*$
`
gmi
Open regex in editor

Description

no description available

Submitted by RyuaNerin - 9 years ago (Last modified a year ago)