Regular Expressions 101

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Community Patterns

5

Variable name of code

PCRE (PHP <7.3)
To get a variable name from a source code: The variable name is before the '=' (equal sign) This is the way to detect. Problem: Only 1 variable can get from 1 line. Unfortunately, this can get variable between after "//" and before ";" too. I made this for fake script debugger. Just get variable f...
Submitted by Setsuna - 9 years ago
5

Codice fiscale italiano

PCRE (PHP <7.3)
Oltre a supportare le omocodie controlla in modo restrittivo il carattere relativo al mese di nascita
Submitted by Aldo Medri - 9 years ago
5

HTML img

ECMAScript (JavaScript)
Grabs all HTML tags
Submitted by Pirate11 - 9 years ago
5

import url image

Python
import url image
Submitted by bartimeys - 9 years ago
5

email (tikhonov)

ECMAScript (JavaScript)
CheckEmail Login start or end simbols [._- ] .login@domain.com - fail -login@domain.com - fail _login@domain.com - fail login.@domain.com - fail...
Submitted by Tikhonov Alexander <123546.90@mail.ru> - 9 years ago (Last modified a year ago)
5

look for any $_POST['name']

PCRE (PHP <7.3)
if you are as lazy as me and want to replace every "=$_POST['name'];" using Dreamweaver or any development tool that allows using regular expressions to search in current file/document.
Submitted by Kevinator - 9 years ago
5

password 1upper 1lower 1number 1specialcharater

ECMAScript (JavaScript)
fjk@1Qaa$
Submitted by Anuswadh - 9 years ago
5

Form Tag

Python
Form Tag
Submitted by Jay Patel - 9 years ago
5

psswd

Python
no description available
Submitted by anonymous - 9 years ago
5

Bible reference extractor

Python
For scraping http://skepticsannotatedbible.com/
Submitted by antaytheist-owner - 9 years ago
5

ipv6

PCRE (PHP <7.3)
Match an ipv6 address
Submitted by Frusty - 9 years ago
5

Match Only Text

Python
no description available
Submitted by anonymous - 8 years ago
5

get specific value from html tag

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

North American Phone Number

ECMAScript (JavaScript)
Validate North American phone numbers with capture groups for the Area Code, Exchange Code, Line Number, and Extension.
Submitted by AaronBoots - 8 years ago
5

among us references

ECMAScript (JavaScript)
it detects among us references among us aming us mongus amogus sus...
Submitted by h - 4 years ago (Last modified 4 years ago)
5

Match any url in text or html (http, https)

PCRE2 (PHP >=7.3)
Match any url in text or html (http, https)
Submitted by Jérémy Munsch - 3 years ago
6

Repair unquoted HTML attribute values

PCRE (PHP <7.3)
Usually MSWord HTML exports
Submitted by Ka. - 11 years ago
6

Matching balanced parens, brackets, and braces

PCRE (PHP <7.3)
no description available
Submitted by Noah Luck Easterly - 11 years ago
6

Password

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 11 years ago (Last modified a year ago)
6

ID003 device info

PCRE (PHP <7.3)
no description available
Submitted by sasjaq - 11 years ago
1...893894895896897...902

Community Library Entry

4

Regular Expression
PCRE (PHP <7.3)

/
^[\w-\+\.\_]+(\.[\w-\+\.\_]+)*@[\w-\+\.\_]+(\.[\w\+\.\_]+)*(\.[A-Za-z]{2,})$
/
Open regex in editor

Description

Valid and Invalid emails

Submitted by anonymous - 9 years ago