Regular Expressions 101

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Community Patterns

0

Password check - at least 1 char, 1 numeric, 8-64 chars long

PCRE (PHP <7.3)
Allows for a wide range of special characters. If you want it to have no upper bound, remove the 64 (but leave the 8,.
Submitted by Peter Speden - 10 years ago
1

aa

PCRE (PHP <7.3)
aaa
Submitted by aaa - 10 years ago
1

Check if number is a float

ECMAScript (JavaScript)
no description available
Submitted by @hiaru - 10 years ago
0

Pig Latin regex

PCRE (PHP <7.3)
I got really bored so I made this (not so fancy) pig latin generator
Submitted by jojodmo - 10 years ago
4

Match nth occurence of pattern

PCRE (PHP <7.3)
Match nth occurence of the patterns in the inner parenthesis. Put nth that you want to match in the curly braces (here, {3}).
Submitted by Alex Hall - 10 years ago
1

Match nth occurence of expression

PCRE (PHP <7.3)
Change the number in curly braces (3 in this example) to match for the nth occurence of the expression in the two inner parenthesis
Submitted by Alex Hall - 10 years ago
-2

regex for redirect url

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

regex for redirect

Python
no description available
Submitted by igor - 10 years ago
4

Capture only top-level (root) domain in URL

PCRE (PHP <7.3)
no description available
Submitted by guyfawkes - 10 years ago
2

Match domain part in Http(s) URLs

PCRE (PHP <7.3)
no description available
Submitted by Nilratan - 10 years ago
0

test

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

imperial string

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

PHP DateInterval Specification Validator

PCRE (PHP <7.3)
This REGEX could be used to validate a PHP DateInterval specification.
Submitted by Tim Visée, http://timvisee.com/ - 10 years ago
1

very basic email regex

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
0

search file extention

PCRE (PHP <7.3)
search file extention
Submitted by fau - 10 years ago
16

Password

ECMAScript (JavaScript)
Safe Password that allow only with a number, a lowercase, a uppercase, and a special character
Submitted by davidlondono - 10 years ago
1

URL parser

Python
gets the ://:/ from am url
Submitted by anonymous - 10 years ago
1

Less number variables to dictionary

PCRE (PHP <7.3)
extract keys and values from .less variables
Submitted by actarian - 10 years ago
1

Remove GO and split for batch SQL text

ECMAScript (JavaScript)
Useful for when you need to convert a T-SQL MSSMS Server batch into individual SQL requests by removing the GO between them. e.g. Dim SQLBatches As String() = Regex.Split(text, "(?:\s|\r|\n)+GO\s*(?:\r|\n)", RegexOptions.IgnoreCase)
Submitted by SarahC - 10 years ago
6

Replace caracters not inside HTM tags

ECMAScript (JavaScript)
Select a character (or string) ingnoring if that element is inside the HTML tags. Useful to apply html tags using replace.
Submitted by Alex5B - 10 years ago
1...851852853854855...902

Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

/
# Match the beginning of the string. ^ # Match the HTTP(S) domain and path of re101. https?:\/{2}regex101\.com\/r\/ # Capture the unique ID. (?<id>[a-z\d]{1,6}) # Capture the revision. (?:\/(?<rev>\d+))? # Do not care about anything else...
/
gimx
Open regex in editor

Description

Grabs the ID and revision from the URL.

Submitted by RF - 10 years ago