Regular Expressions 101

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Community Patterns

1

Any telephone number with at least 6 digits

PCRE (PHP <7.3)
Telephone number can come with extra characters to denote country, region, etc
Submitted by https://co.linkedin.com/in/andresfelipecardona - 9 years ago
1

URL domain test

ECMAScript (JavaScript)
tests to find if ("google.com") is the domain part of the URL
Submitted by anonymous - 9 years ago
1

Mac-address filtering

PCRE (PHP <7.3)
Trying to capture a mac-address structure
Submitted by R. van den Hoek - 9 years ago
1

First 3 words in sentence

PCRE (PHP <7.3)
no description available
Submitted by hjgabrielsen - 9 years ago
1

email regex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
0

DateTime: DD-MM-YYYY HH:mm:ss

PCRE (PHP <7.3)
Validate and Capture (in 1000-2999 range) Leap-Year Correct
Submitted by anonymous - 12 years ago
0

negated special characters

PCRE (PHP <7.3)
no description available
Submitted by Rimjhim - 11 years ago
0

get params from json

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
-2

Remove empty HTML tags

PCRE (PHP <7.3)
Removes empty HTML tags. Was needed for old input clean-up and to keep a HTML parses from crashing. Looking for improvement on bottom test.
Submitted by R. Sartorius - 11 years ago
0

Match all html tags

PCRE (PHP <7.3)
no description available
Submitted by Kostas Trichas - 10 years ago
1

get image with classname

ECMAScript (JavaScript)
no description available
Submitted by @cloverink - 11 years ago
1

Number, comma and dot

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago (Last modified a year ago)
1

SSN

ECMAScript (JavaScript)
no description available
Submitted by jay johnson - 11 years ago
1

Phone numbers matcher

PCRE (PHP <7.3)
no description available
Submitted by Oleksandr Sochka - 11 years ago
1

Regex Formula for matching 2 letter Prefix URL's

PCRE (PHP <7.3)
I am trying to write a Regex formula that will match to all URL's with specifically 2 letter prefixes. I have a list of close to 1000 websites, and I need a formula that will collect data from any sites that start with "..".sporttu.com. For example, I want it to match to sites like ca.sporttu and ...
Submitted by MikeRo - 10 years ago
1

Find Word on A Text

PCRE (PHP <7.3)
This expression find a word in a text without limitation of "\b" statement
Submitted by theShadow - 10 years ago
1

REGEX

Python
no description available
Submitted by anonymous - 10 years ago
1

split URL in protokoll, domain, file(with path), parameter and anker

PCRE (PHP <7.3)
split URL in protokoll, domain, file(with path), parameter and anker
Submitted by Candyman1332 - 9 years ago
0

Number with two max possible decimals

ECMAScript (JavaScript)
For float type inputs.
Submitted by Juanma - https://github.com/juanmaa1414 - 10 years ago
1

PHP ReflectionParameter:__toString() parser

PCRE (PHP <7.3)
See http://www.php.net/manual/en/reflectionparameter.tostring.php
Submitted by Erin Millard - 12 years ago
1...852853854855856...900

Community Library Entry

1

Regular Expression
PCRE (PHP <7.3)

/
^([01][0-9][0-9]\.|2[0-4][0-9]\.|[0-9][0-9]\.|25[0-5]\.|[0-9]\.)([01][0-9][0-9]\.|2[0-4][0-9]\.|[0-9][0-9]\.|25[0-5]\.|[0-9]\.)([01][0-9][0-9]\.|2[0-4][0-9]\.|[0-9][0-9]\.|25[0-5]\.|[0-9]\.)([01][0-9][0-9]|2[0-4][0-9]|25[0-5]|[0-9][0-9]|[0-9])$
/
gm
Open regex in editor

Description

Valid 0.0.0.0 1.1.1.1 101.101.101.101 255.255.255.255 156.0.1.10

Submitted by NexRezzo - 10 years ago