Regular Expressions 101

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Community Patterns

4

Timestamp

PCRE (PHP <7.3)
12.04.1975T03:02:00.88 With milliseconds and T seperator. Excludes most invalid dates, except 30/31ths of month, leap years/february heaving only 29/28.
Submitted by anonymous - 9 years ago
1

full-notes-1

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

Split vertical space CSV with posibility of escaping

PCRE (PHP <7.3)
This regex will find all CSV separator that are not escaped
Submitted by anonymous - 9 years ago
5

Find and extract email domain

Python
Find and extract email domain. Ex: test@example.pt -> extract 'example.pt'
Submitted by Fnxk - 9 years ago
1

HTML Anchor to StackExchange Markdown

ECMAScript (JavaScript)
no description available
Submitted by Jim Logan - 9 years ago
1

date validation (yyyy-mm-dd)

Python
no description available
Submitted by anonymous - 9 years ago
0

why

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

Search Regular Expressions

PCRE (PHP <7.3)
Search Regular Expressions
Submitted by Youra Hmelenko - 9 years ago
1

basic email validator js

ECMAScript (JavaScript)
created to basically validate against mistyped email addresses, is not foolproof, but it is a start.
Submitted by paul hess - 9 years ago
2

get href

ECMAScript (JavaScript)
gets value of href
Submitted by me - 9 years ago
1

syntax?

ECMAScript (JavaScript)
trying to figure out how to find variable names only
Submitted by me - 9 years ago
1

search file name from path / url

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
3

Validación de numeros de teléfono

PCRE (PHP <7.3)
no description available
Submitted by devsolarte@gmail.com - 9 years ago
1

numbers between 200 and 3000

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

bitcoin

PCRE (PHP <7.3)
bitcoin max 2
Submitted by anonymous - 9 years ago
0

Date expression

ECMAScript (JavaScript)
yyyy-mm-dd
Submitted by Alan - 9 years ago
1

minimum 0.5

PCRE (PHP <7.3)
bitcoin/ ether
Submitted by anonymous - 9 years ago
1

location regex

ECMAScript (JavaScript)
This is a regular expression for checking the location
Submitted by noby nirmal - 9 years ago
1

role in organisation

ECMAScript (JavaScript)
This is regular expression for exployees in an organization
Submitted by noby nirmal - 9 years ago
1

rocola

Python
for #regex
Submitted by ElGatoSaez - 9 years ago
1...710711712713714...900

Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

/
(?=.*(START))(?=.*(END))(?:(?:\1|\2)|(?!^)\G)\h+.*?\b(\w{4,})(?=.*?(?:(?:\1|\2)))
/
g
Open regex in editor

Description

no description available

Submitted by anonymous - 4 years ago