Regular Expressions 101

Order By

Sponsors
There are currently no sponsors. Become a sponsor today!

Community Patterns

3

Outside Quotes

ECMAScript (JavaScript)
match any string outside of single or double quotes
Submitted by anonymous - 11 years ago
3

xferlog parser (proftpd, ftpd, vsftpd, etc..)

PCRE (PHP <7.3)
This pulls out all the fields from a standard xferlog format log. Format specified here http://www.castaglia.org/proftpd/doc/xferlog.html
Submitted by Robin Kearney - 10 years ago
3

UUID

PCRE (PHP <7.3)
no description available
Submitted by Jason - 10 years ago
3

Finds dates lacking period before month (Norwegian)

PCRE (PHP <7.3)
no description available
Submitted by EB - 10 years ago
3

Get URL parameters

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
3

TEST

ECMAScript (JavaScript)
negation
Submitted by anonymous - 10 years ago
3

Alternative Capture Country Codes

PCRE (PHP <7.3)
no description available
Submitted by Branden - 10 years ago
3

How do I write a Regex to inspect Cisco Interfaces

PCRE (PHP <7.3)
I am asking for help in writing a regular expression to shorten this expression. I need the string below to search every interface within the range of 1 -24 to validate the configuration. If one interface does not have the required configuration then the expression fails. interface GigabitEtherne...
Submitted by Pirates - 10 years ago
3

Test a string against CamelCase

ECMAScript (JavaScript)
See if a string is in CamelCase format
Submitted by Tonny Xu - 10 years ago
3

images url match in text

PCRE (PHP <7.3)
no description available
Submitted by Redfern.89 - 10 years ago
3

prices in nis

Python
no description available
Submitted by molaxx - 10 years ago
3

Div content

PCRE (PHP <7.3)
no description available
Submitted by mohammadsaleh - 10 years ago
3

HH:MM:SS

ECMAScript (JavaScript)
Validates 00:00:00 to 23:59:59
Submitted by anonymous - 9 years ago
3

youtube id und link

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

URL Regex (protocol strict)

ECMAScript (JavaScript)
Includes resource strings, taken from here: https://gist.github.com/dperini/729294
Submitted by Diego Perini - 9 years ago
3

Validate Base64 with new lines (e.g. GPG base64 messages)

PCRE (PHP <7.3)
This regular expression validates if given string is formatted in Base64, additional it accepts new lines, since payload can have new lines in it.
Submitted by wpodgorski - 9 years ago
3

Select all number greater than 36

PCRE (PHP <7.3)
no description available
Submitted by Mansoor - 9 years ago
3

Extract All Steam Keys

PCRE (PHP <7.3)
Extract all Steam Keys from a Given String
Submitted by Ashesh Kumar - 9 years ago
3

Firt letter of names capitalize with exceptions

ECMAScript (JavaScript)
Check if brazilian names are imputed correctly. Ex: Paulo da Silva
Submitted by William - 9 years ago
3

apache access log

PCRE (PHP <7.3)
parse the apache access log
Submitted by pagu - 9 years ago
1...883884885886887...902

Community Library Entry

0

Regular Expression
ECMAScript (JavaScript)

/
^[+-]?((0\.\d+)|([1-9]+(\d?\.\d+)?))$
/
Open regex in editor

Description

Optional plus or minus sign. Leading zero required for decimal number less than zero.

Submitted by Mario Diana - 10 years ago