Perl Compatible Regular Expressions

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Features

Just-in-time compiler Stack overflow Longest match Unicode ASCII

13 related topics

Overview

Library POSIX regular expression Perl programming language Philip Hazel Open-source programs

9 related topics

Key facts & relationships

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License: BSD
Operating system: Cross-platform
Original author: Philip Hazel
PCRE1: PCRE18.45 / June 15, 2021; 5 years ago (2021-06-15)PCRE210.47 / October 21, 2025; 10 months ago (2025-10-21) · 8.45 / June 15, 2021; 5 years ago (2021-06-15)
PCRE2: 10.47 / October 21, 2025; 10 months ago (2025-10-21)
Repository: github.com/PCRE2Project/pcre2

Topics to explore

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Overview

Library Library (computing)
POSIX regular expression Regular expression
Perl programming language Perl
Philip Hazel
Open-source programs Open-source software
Apache Apache HTTP Server
Nginx
PHP
Proprietary software

Features

Just-in-time compiler
Stack overflow
Longest match Maximal munch
Unicode
ASCII
UTF-8
UTF-16
Carriage return
UTF Unicode Transformation Format
Python Python (programming language)
Oniguruma
Backtracking
Tab Tab key

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Map overview Semantic statistics

Nodes25

Edges24

Triples10

Avg. degree1.92

Density0.08

Components1

How this topic connects Entity context

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Perl Compatible Regular Expressions

Top relations

PCRE1 · 2

Perl Compatible Regular Expressions → 8.45 / June 15, 2021; 5 years ago (2021-06-15), PCRE18.45 / June 15, 2021; 5 years ago (2021-06-15)PCRE210.47 / October 21, 2025; 10 months ago (2025-10-21)

License · 1

Perl Compatible Regular Expressions → BSD

Operating system · 1

Perl Compatible Regular Expressions → Cross-platform

Original author · 1

Perl Compatible Regular Expressions → Philip Hazel

PCRE2 · 1

Perl Compatible Regular Expressions → 10.47 / October 21, 2025; 10 months ago (2025-10-21)

Repository · 1

Perl Compatible Regular Expressions → github.com/PCRE2Project/pcre2

Type · 1

Perl Compatible Regular Expressions → Pattern matching library

Website · 1

Perl Compatible Regular Expressions → pcre2project.github.io/pcre2/

Written in · 1

Perl Compatible Regular Expressions → C

Important terminology Word statistics

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Important terminology

pcre perl pcre2 pattern match library newline option unicode 10 character default regular matching options also support example posix matches

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
Perl Compatible Regular Expressions	License	BSD	1.00	infobox
Perl Compatible Regular Expressions	Operating system	Cross-platform	1.00	infobox
Perl Compatible Regular Expressions	Original author	Philip Hazel	1.00	infobox
Perl Compatible Regular Expressions	PCRE1	PCRE18.45 / June 15, 2021; 5 years ago (2021-06-15)PCRE210.47 / October 21, 2025; 10 months ago (2025-10-21)	1.00	infobox
Perl Compatible Regular Expressions	PCRE1	8.45 / June 15, 2021; 5 years ago (2021-06-15)	1.00	infobox
Perl Compatible Regular Expressions	PCRE2	10.47 / October 21, 2025; 10 months ago (2025-10-21)	1.00	infobox
Perl Compatible Regular Expressions	Repository	github.com/PCRE2Project/pcre2	1.00	infobox
Perl Compatible Regular Expressions	Type	Pattern matching library	1.00	infobox
Perl Compatible Regular Expressions	Website	pcre2project.github.io/pcre2/	1.00	infobox
Perl Compatible Regular Expressions	Written in	C	1.00	infobox

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