Regular Expressions 101

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Community Patterns

2

multiple sql like expressions

PCRE (PHP <7.3)
no description available
Submitted by robessog - 8 years ago
2

search for a regex excluding a word

PCRE (PHP <7.3)
^((?!proposed_).)*((project|task)_details) matches: project_details task_details...
Submitted by aymon - 8 years ago
2

Delete Blank Lines

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
2

IPv6 detection

Python
It's too large to match with all which seems like an IPv6. It's not perfect, but it's detects more valid IPv6 than some others regex.
Submitted by Ajabep - 8 years ago
2

Matches human genomic coordinates

PCRE (PHP <7.3)
This expression matches human genomic coordinates, similat to those being used by genome browsers (e.g. the UCSC Genome Browser). It can match: chromosome, chromosome start, chromosome start end, chromosome start end reference sequence, chromosome start end reference sequence alternative sequence. T...
Submitted by Panagiotis Moulos - 8 years ago
2

Escape regex meta characters

ECMAScript (JavaScript)
This expression escapes characters, which have a special meaning in regex, like .?[]/ and so on. Use it to transform a string that you want to use literally in another regex.
Submitted by Florian Andresen - 8 years ago
2

match HTML-safe strings with at least one alphanumeric character

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 8 years ago
2

Email combo to username combo

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
2

negative lookahead

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
2

Find IP

PCRE (PHP <7.3)
Regex to match an IPv4 address at beginning
Submitted by edoz90 - 8 years ago
2

URL MATCH

PCRE (PHP <7.3)
URL MATCH
Submitted by activesatan - 8 years ago
2

Number or Range

ECMAScript (JavaScript)
Allows either a number (e.g. "1", "1.01") or a range (e.g. "1-2", "1.0 - 1.3"). Also allows whitespace on either side of the numbers.
Submitted by Mark Newcomb - 8 years ago
2

.*(\d+).* Selects last number

Python
no description available
Submitted by anonymous - 8 years ago
2

Test numeric input to be between 0,01 and 100,00

ECMAScript (JavaScript)
Tests a numeric input to be between 0,00 < input <= 100,00. Decimals are optional but have at max 2 places.
Submitted by Torsten Walter - 8 years ago
2

Regex Shortcode

PCRE (PHP <7.3)
Check shortcode
Submitted by khiconit - 8 years ago
2

IP Address

PCRE (PHP <7.3)
IPv4 Address Input
Submitted by anonymous - 8 years ago
2

Eircode

PCRE (PHP <7.3)
Eircode validation for new postcodes identifiers in Republic of Ireland. Case-insensetive for easier user input. Added optional space separator to follow same pattern as in UK post codes and in examples used in eircode spec.
Submitted by Arek Jaworski - 8 years ago
2

Match multiline comments /* ... */

PCRE (PHP <7.3)
It won't match single line comments like this one: //* This comment won't be match */ ^ see the double / Works in PHP without the g modifier.
Submitted by SimonaHalep - 8 years ago
2

CSS @media selector

ECMAScript (JavaScript)
Matches a CSS @media selector, matches outer {} curly brackets, works with every CSS code, minified too.
Submitted by emd4 - 8 years ago
2

php naming convension (classes, vars, functions, constants)

PCRE (PHP <7.3)
PHP Basic coding standard Naming Convension pattern: /^\pL_*$/
Submitted by Najmuddeen Mohammed - 8 years ago
1...3031323334...879

Clavister FW CONN

0

Regular Expression
PCRE (PHP <7.3)

/
CONN\:.*?prio=(?<severity>\d)\s+id=(?<vmid>\d+).*?event=(?<tag1>\w+)\s+rule=(?<tag2>\w+)\s+conn=(?<tag3>\w+)\s+connipproto=(?<protname>\w+)\s+connrecvif=(?<dinterface>\w+)\s+connsrcip=(?<sip>(\d{1,3}\.){3}\d{1,3})\s+connsrcport=(?<sport>\d+).*?conndestip=(?<dip>(\d{1,3}\.){3}\d{1,3})\s+conndestport=(?<dport>\d+)
/
g
Open regex in editor

Description

Parses out Clavister FW logs for SIEM mapping

Submitted by anonymous - 7 years ago