Regular Expressions 101

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Community Patterns

8

Extract Protocol, URL, URL Path, get parameters and hash from URI

Python
This is simplified from my last submission.
Submitted by Dale O'Brien - 11 years ago
7

split URL into location-resource-params (JavaScript)

ECMAScript (JavaScript)
Extract resource location, name and query parameters from a URL (JavaScript version)
Submitted by cebence - 11 years ago
6

search word with an accent

ECMAScript (JavaScript)
search any word with an accent
Submitted by Thegner Pierre - 9 years ago
6

HTML tag stripper

PCRE (PHP <7.3)
This regex will identify all html start and end tags.
Submitted by anonymous - 9 years ago
8

Validate Base64 single-line string

PCRE (PHP <7.3)
no description available
Submitted by ka. - 12 years ago
9

Youtube ID match

PCRE (PHP <7.3)
This regex will match any Youtube video ID thrown at it and return one capturing group containing the ID.
Submitted by Jacob Overgaard - 11 years ago
9

only numbers

PCRE (PHP <7.3)
A string with only numbers in
Submitted by Gotts - 9 years ago
5

parsing CSV file

PCRE (PHP <7.3)
It correctly handles simple values, empty values, and quoted values with commas inside.
Submitted by Viktor Lova aka nsinreal - 10 years ago
5

Latitude,Longitude fetcher

PCRE (PHP <7.3)
Useful to work with GoogleMap API.
Submitted by anonymous - 9 years ago
5

Password strength

ECMAScript (JavaScript)
Regular expression for password validation Rules: 8-120 chars no spaces must contain at least one a-z char must contain at least one A-Z char...
Submitted by @razvanz - 9 years ago
5

ipv6

PCRE (PHP <7.3)
Match an ipv6 address
Submitted by Frusty - 9 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
6

Password

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

Repair unquoted HTML attribute values

PCRE (PHP <7.3)
Usually MSWord HTML exports
Submitted by Ka. - 12 years ago
7

PAN CARD validation

PCRE (PHP <7.3)
checks for valid PAN card for Indian users.
Submitted by karan thakkar - 11 years ago
8

Date time Advanced

PCRE (PHP <7.3)
no description available
Submitted by Mr.Neutro - 11 years ago
11

Date(Including Leap Year) YYYY-MM-DD hh:mm:ss

PCRE (PHP <7.3)
Validates DateTime of format YYYY-MM-DD hh:mm:ss including Leap Year
Submitted by Madhan - 11 years ago
8

Alphanumeric and Spaces

PCRE (PHP <7.3)
Alow alphanumeric characters and spaces
Submitted by JTN - 9 years ago (Last modified a year ago)
13

URL Validator

PCRE (PHP <7.3)
Validates - URLs with schemes - http, https and ftp Relative URL starting with / and ../
Submitted by anonymous - 10 years ago
14

Phone Number

ECMAScript (JavaScript)
Allows phone numbers with optional country code, optional special characters and whitespace
Submitted by Tlmader - 9 years ago
1...892893894895896...902

Community Library Entry

13

Regular Expression
PCRE (PHP <7.3)

/
(((ftp|http|https):\/\/)|(\/)|(..\/))(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?
/
Open regex in editor

Description

Validates -

  1. URLs with schemes - http, https and ftp

  2. Relative URL starting with / and ../

Submitted by anonymous - 10 years ago