Regular Expressions 101

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2

fail2ban real expression for w00tw00t

PCRE (PHP <7.3)
A real fai2ban expression for w00tw00t with alias substitution
Submitted by MarcD - 10 years ago
5

Separate words (works with spaces, dashes and underscores)

PCRE (PHP <7.3)
no description available
Submitted by marcoslhc - 10 years ago
5

Find All Python imports

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

php input:date yyyy-mm-dd

PCRE (PHP <7.3)
improved "Ahmed Z" regexp. PHP date format (and input[type=text] format date too): YYYY-MM-DD. Year between [1900-2099]. No leap year check. Month 02 is limited to 29 days.
Submitted by Oropesa - 10 years ago
2

PAN verification regex

PCRE (PHP <7.3)
Regex to verify PAN in India
Submitted by Anirban - 10 years ago
1

Test

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

semver

PCRE (PHP <7.3)
Semantic Versioning regex pattern according to Tom Preston-Werner http://semver.org/ https://github.com/mojombo/semver/blob/master/semver.md ...
Submitted by @gvlx <Gerardo Lisboa> - 10 years ago
4

semver

Recommended
PCRE (PHP <7.3)
Semantic Versioning regex pattern according to Tom Preston-Werner http://semver.org/ https://github.com/mojombo/semver/blob/master/semver.md First version of this regex follows semver 2.0.0....
Submitted by @gvlx <Gerardo Lisboa> - 10 years ago
1

Europead date or MSSQL Timestamp

PCRE (PHP <7.3)
Matches european dates (DD.MM.YYYY[ HH:MM:SS]) and MS-SQL Timestamp ({ts 'YYYY-MM-DD HH:MM:SS'})
Submitted by anonymous - 10 years ago
1

input mandatory title

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

webongo

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

search mailadress

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
4

Remove HTML tags

PCRE (PHP <7.3)
This regex is used to remove HTML tag on string
Submitted by Jordane BACHELET - 10 years ago
1

Mips I-Type Instructions

PCRE (PHP <7.3)
Parses an I-Type Mips instruction. You can add and remove instructions in the list to support more I-Type instructions. Will detect only "addi", "andi" or "ori" as is
Submitted by lunfel - 10 years ago
1

Mips R-Type Instructions

PCRE (PHP <7.3)
Parses an R-Type Mips instruction. You can add and remove instructions in the list to support more R-Type instructions. Will detect only "add", "and", "nor" or "sub" as is
Submitted by lunfel - 10 years ago
1

find single character

PCRE (PHP <7.3)
Why this regEx not find all single character? Why not work Start of string and End of string in bracket?
Submitted by anonymous - 10 years ago
-2

get all href=()

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

Convert YYMMDD to DD/MM/YY

PCRE (PHP <7.3)
I'm new to regular expressions and I've been searching high and low for this really simple date conversion from YYMMDD to DD/MM/YY e.g. 140923 to 23/09/14. Maybe I just didn't search hard enough, but here goes: Search/original string: (\d{4})(\d{2})(\d{2}) ...
Submitted by Nike Begbaaji - 10 years ago
1

testmmoj

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

Match Tags in ExpressionEngine

PCRE (PHP <7.3)
The second matcher will get EE tags from $tagdata.
Submitted by Kyle Palko - 10 years ago
1...570571572573574...589

This regular expression matches one or more exclamation marks, with or without a space/newline character immediately following it.

0

Regular Expression
PCRE2 (PHP >=7.3)

/
!\n|! +
/
gm
Open regex in editor

Description

This regular expression matches one or more exclamation marks, with or without a space/newline character immediately following it.

Submitted by anonymous - a year ago