Regular Expressions 101

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Community Patterns

0

numbers

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Two or More Zeros

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Two or More Zeros

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Integer (avoid more than 1 zero)

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Company check

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 7 years ago
0

Get up to the first 10 lines of a string

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Unsigned Integer or Maximal Two-Digits Floating Point Input

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Unsigned Integer or Maximal Two-Digits Floating Point Input

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Base 64

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

international phonenumber parsing

PCRE (PHP <7.3)
based on (slightly) adopted regex from https://stackoverflow.com/a/20971688/1104502 It parses three groups: international code phone-number extension...
Submitted by spex66 - 7 years ago
0

a

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 7 years ago
0

Remove words starting with a dot in a comma separated word list

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 7 years ago
0

Kenyan phone number

PCRE (PHP <7.3)
Match against number sequence using international +254 or local 0 prefix.
Submitted by m8r1x - 7 years ago
0

facebook profile url

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 7 years ago
0

FIle Name Compliant

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Match ACSS components [main test].

PCRE (PHP <7.3)
Multiline regex for case when combinator is provided.
Submitted by anonymous - 7 years ago
0

Match numbers with length b\w 6-12

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Validation rules

PCRE (PHP <7.3)
no description available
Submitted by Slava Krampetz - 7 years ago
0

Extract titles from m3u playlist

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Match url based on specific path values

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
1...533534535536537...900

Community Library Entry

-2

Regular Expression
PCRE (PHP <7.3)

/
# https://regex101.com/r/fP1oQ6/2 (?(DEFINE)# (?<W>\s*) (?<V>\d+(?:\.\d+)?(?&W)) (?<S>[-+]?) (?<O>(?&W)[-+*\/](?&W)) (?<E>(?&S)(?:(?&V)|\((?&W)(?&E)(?&W)\))(?:(?&O)(?&E))?)# )# ((?&E))
/
xgJ
Open regex in editor

Description

ValidatesMathematical Expressions. Ignores whitespace. Includes parenthesis matching.

Submitted by Jeremy Friesen - 9 years ago