Regular Expressions 101

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Community Patterns

7

Any positive integer except zero

PCRE (PHP <7.3)
no description available
Submitted by Harsh - 9 years ago
7

Remove Widows (PHP)

PCRE (PHP <7.3)
Adds a non-breaking space between the last two words of sentences
Submitted by herkulano - 9 years ago
7

Max - URL Extract

PCRE (PHP <7.3)
no description available
Submitted by Ayush - 8 years ago
8

Validate Base64 single-line string

PCRE (PHP <7.3)
no description available
Submitted by ka. - 11 years ago
8

Date time Advanced

PCRE (PHP <7.3)
no description available
Submitted by Mr.Neutro - 11 years ago
8

Sentence grabber /w extra check

PCRE (PHP <7.3)
Grabs sentences including terms like: e.g. z.b. Figs.These get caught in 1st capturing group. Problem: how to only accept matching sentences which contain pattern \b\d+[a-z]{0,2}\b?
Submitted by light0 - 10 years ago
8

Alphanumeric and Spaces

PCRE (PHP <7.3)
Alow alphanumeric characters and spaces
Submitted by JTN - 9 years ago (Last modified a year ago)
9

Removing an XML Nodes namespace prefix from a XML string wit

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
9

Youtube ID match

PCRE (PHP <7.3)
This regex will match any Youtube video ID thrown at it and return one capturing group containing the ID.
Submitted by Jacob Overgaard - 11 years ago
9

Extract url GET parameters

PCRE (PHP <7.3)
Returns key/value pair of a url. Also works with google fonts which has additional information
Submitted by anonymous - 10 years ago
9

Fixo LDN CSP e SEM CSP

PCRE (PHP <7.3)
no description available
Submitted by Marcos Müller - 10 years ago
9

If-Then-Else Conditionals

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

only numbers

PCRE (PHP <7.3)
A string with only numbers in
Submitted by Gotts - 9 years ago
9

Letters, numbers and blank space

PCRE (PHP <7.3)
The following regular expression matches only letter a-z A-Z numbers 0-9 and a blank space for a given string.
Submitted by Jordan Raychev - 9 years ago
9

Fiddler raw body to PHP array

PCRE (PHP <7.3)
no description available
Submitted by garsax - 9 years ago
10

Just validate one sequence of

PCRE (PHP <7.3)
sdfs sdfs FLBREV00022230 dsfsdfs sdfsf FLBREV00022234 In this case is false
Submitted by Fiipe - 10 years ago
10

Strip Email ID from Name

PCRE (PHP <7.3)
Use this regex to select all characters up to the "" bracket. It works across multiple lines. You can get an email list with only the IDs. This is the pattern it matches: Alpha Person Step 1 (.*) [$ Step 2 [$.$] (.*) gives you aperson@whatever.org...
Submitted by Jonathan Davidar - 10 years ago
10

MikroTik FireWall

PCRE (PHP <7.3)
Regex used in Splunk to extract fields from Mikrotik FW. NOTES: Mikrotik must be configured to use "BSD Syslog" format FW rules must add, as log prefix, the action: drop accep...
Submitted by HappyIdeasMaker - 9 years ago
11

Address Check Validation

PCRE (PHP <7.3)
Check for true or false street address format
Submitted by Dilip Borad - 11 years ago
11

Date(Including Leap Year) YYYY-MM-DD hh:mm:ss

PCRE (PHP <7.3)
Validates DateTime of format YYYY-MM-DD hh:mm:ss including Leap Year
Submitted by Madhan - 11 years ago
1...474475476477478

Community Library Entry

52

Regular Expression
PCRE (PHP <7.3)

/
^(?'Username'[-\w\d\.]+?)(?:\s+at\s+|\s*@\s*|\s*(?:[\[\]@]){3}\s*)(?'Domain'[-\w\d\.]*?)\s*(?:dot|\.|(?:[\[\]dot\.]){3,5})\s*(?'TLD'\w+)$
/
gm
Open regex in editor

Description

Matches distorted email addresses and converts them back to real ones.

Submitted by dislick - 12 years ago