Regular Expressions 101

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Community Patterns

1

Simple Valid File Names

ECMAScript (JavaScript)
Simple file names. Special chars allowed (-_.) {3, 40}
Submitted by CADII - 9 years ago
1

replace directive with iife

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

Read tasks from a RakeFile

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

Slug

PCRE (PHP <7.3)
Matches alphanumeric slugs without repeating dashes
Submitted by Óscar Enríquez - 9 years ago
0

pass

Python
no description available
Submitted by anonymous - 9 years ago
1

Email id

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

Get attributes values of html tags

PCRE (PHP <7.3)
Allow get the value of the some attributes from a html text
Submitted by Marcelo Fuentes - 9 years ago
-3

UpperCase words

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

float

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

Timestamp including time zone information

PCRE (PHP <7.3)
Simple check on the correct format of a time stamp including time zone information
Submitted by anonymous - 9 years ago
0

Machine readable passport number (second line)

ECMAScript (JavaScript)
Second line of the machine readable passport, based on the excellent article here - http://www.highprogrammer.com/alan/numbers/mrp.html
Submitted by Leigh Garland - 9 years ago
-2

checklists item

Python
checklists item
Submitted by Tobias Hochgürtel - 9 years ago
1

Function with n parameters in C-like syntax.

PCRE (PHP <7.3)
no description available
Submitted by elkamarado@gmail.com - 9 years ago
-3

ipv4 - short version

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

Node (common.js) require regex

PCRE (PHP <7.3)
Uses a single string to match any node require variables
Submitted by amird and andyt - 9 years ago
1

Name file Val

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

Get directive names from javascript code

ECMAScript (JavaScript)
Get directive names from javascript code
Submitted by OnlineCop - 9 years ago
0

A regex that tries to replace every instance in your site

PCRE (PHP <7.3)
For better exception capturing
Submitted by anonymous - 9 years ago
0

Key/Value pairs with multiline support

PCRE (PHP <7.3)
Key/Value pairs with multiline support
Submitted by Alexander Krutov - 9 years ago
1

sql perf log

PCRE (PHP <7.3)
13 fields, 12 comma's from right (all left hand ones need to be ignored as they're part of the sql statements)
Submitted by Sandra - 9 years ago
1...828829830831832...902

Community Library Entry

1

Regular Expression
PCRE (PHP <7.3)

/
^(\s?\d{1,2}:\d{1,2})+$
/
Open regex in editor

Description

Validates a string for valid cron schedules such as 10:45, 11:15 etc.

Submitted by Michael Sundgaard - 9 years ago