Regular Expressions 101

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Community Patterns

2

Escape regex meta characters

ECMAScript (JavaScript)
This expression escapes characters, which have a special meaning in regex, like .?[]/ and so on. Use it to transform a string that you want to use literally in another regex.
Submitted by Florian Andresen - 8 years ago
2

Console arguments handling

PCRE (PHP <7.3)
Splitting string on parts. Able quoted strings and escaped chars. Without optimizations. command arg1 "string arg \"qoute\" demo" arg3
Submitted by anonymous - 8 years ago
1

Replace HTML Links with the contaioning text

ECMAScript (JavaScript)
no description available
Submitted by WBS - 8 years ago
2

match HTML-safe strings with at least one alphanumeric character

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 8 years ago
2

Email combo to username combo

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

negative lookahead

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

Find IP

PCRE (PHP <7.3)
Regex to match an IPv4 address at beginning
Submitted by edoz90 - 8 years ago
2

URL MATCH

PCRE (PHP <7.3)
URL MATCH
Submitted by activesatan - 8 years ago
1

tags

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 8 years ago
2

Number or Range

ECMAScript (JavaScript)
Allows either a number (e.g. "1", "1.01") or a range (e.g. "1-2", "1.0 - 1.3"). Also allows whitespace on either side of the numbers.
Submitted by Mark Newcomb - 8 years ago
2

.*(\d+).* Selects last number

Python
no description available
Submitted by anonymous - 8 years ago
2

Test numeric input to be between 0,01 and 100,00

ECMAScript (JavaScript)
Tests a numeric input to be between 0,00 < input <= 100,00. Decimals are optional but have at max 2 places.
Submitted by Torsten Walter - 8 years ago
2

Regex Shortcode

PCRE (PHP <7.3)
Check shortcode
Submitted by khiconit - 8 years ago
2

IP Address

PCRE (PHP <7.3)
IPv4 Address Input
Submitted by anonymous - 8 years ago
2

Eircode

PCRE (PHP <7.3)
Eircode validation for new postcodes identifiers in Republic of Ireland. Case-insensetive for easier user input. Added optional space separator to follow same pattern as in UK post codes and in examples used in eircode spec.
Submitted by Arek Jaworski - 8 years ago
2

Match multiline comments /* ... */

PCRE (PHP <7.3)
It won't match single line comments like this one: //* This comment won't be match */ ^ see the double / Works in PHP without the g modifier.
Submitted by SimonaHalep - 8 years ago
2

CSS @media selector

ECMAScript (JavaScript)
Matches a CSS @media selector, matches outer {} curly brackets, works with every CSS code, minified too.
Submitted by emd4 - 8 years ago
2

php naming convension (classes, vars, functions, constants)

PCRE (PHP <7.3)
PHP Basic coding standard Naming Convension pattern: /^\pL_*$/
Submitted by Najmuddeen Mohammed - 8 years ago
2

Palindrome

ECMAScript (JavaScript)
Captures a palindrome of 9 digits or less
Submitted by anonymous - 8 years ago
2

foder add prefix

ECMAScript (JavaScript)
auto prefix ("/") to folder
Submitted by anonymous - 8 years ago
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Community Library Entry

1

Regular Expression
Python

r"
time\s(\w+\s*\{\s\n(\s{2,8}\w+\s\w+\s.+\n){1,2}\})
"
g
Open regex in editor

Description

Extrae las ALC de tiempos del archivos de configuración de squidGuard

Submitted by VTacius - 10 years ago