Regular Expressions 101

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Community Patterns

1

IPv4 extraction regex

PCRE (PHP <7.3)
Looks bloated, but also validates that the address format is correct, i.e. no false-positives for 777.777.777.777
Submitted by Jacob - 9 years ago
1

Date

PCRE (PHP <7.3)
Valid Date format:
Submitted by Daniel - 9 years ago
1

Pull out percentages

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

DataPower Syslog

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

somente telefone

PCRE (PHP <7.3)
teste para validação de números de telefone
Submitted by Mauricio Rocha - 9 years ago
1

select folders after url

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

CSS3 color expressions

PCRE (PHP <7.3)
Up to spec as of 2016-03-16. You can choose whether to enforce industry-standard casing for keywords via the "i" flag, which is enabled by default. Note that both "currentcolor" and "currentColor" are common; the relevant spec uses "currentColor", but several browsers prefer "currentcolor".
Submitted by Paul Buonopane @ NamePros - 9 years ago
1

OFA values

PCRE (PHP <7.3)
either 99-99 or one looks more liek the OFA ones
Submitted by anonymous - 9 years ago
1

delete line numbers

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

locationID PID4.1 custom

PCRE (PHP <7.3)
MRN add a letter in front
Submitted by anonymous - 9 years ago
1

IP Validation

PCRE (PHP <7.3)
Validate IP v4
Submitted by anonymous - 9 years ago
1

Thousands separator

PCRE (PHP <7.3)
Separate thousands in a number
Submitted by anonymous - 9 years ago
1

port range

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

advfirewall protocol

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

advfirewall localport

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

d

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

System names

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

Time - 12 hour format

PCRE (PHP <7.3)
matches time in 12 hour format For Eg: 1a 1A 1p 1P...
Submitted by Pooja Khorjuvekar - 9 years ago
1

TestCsvProblme

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

TestCsvProblme

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1...155156157158159...902

Community Library Entry

0

Regular Expression
ECMAScript (JavaScript)

/
(?<=https:\/\/|http:\/\/).*
/
gm
Open regex in editor

Description

This regex made by me, finds any domain which contains https:// or the unsafe version, http://.

Submitted by Rix The Regex Maker - 3 years ago