regex101: PCRE (Legacy) Match Workspace

Group 1((?<=[^a-zA-Z0-9])(?:https?\:\/\/|[a-zA-Z0-9]{1,}\.{1}|\b)(?:\w{1,}\.{1}){1,5}(?:com|org|edu|gov|uk|net|ca|de|jp|fr|au|us|ru|ch|it|nl|se|no|es|mil|iq|io|ac|ly|sm){1}(?:\/[a-zA-Z0-9]{1,})*)

Positive Lookbehind(?<=[^a-zA-Z0-9])

Negated Character Class[^a-zA-Z0-9]

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Non-Capturing Group(?:https?\:\/\/|[a-zA-Z0-9]{1,}\.{1}|\b)

1st Alternativehttps?\:\/\/

httpthe literal text http (case sensitive)

s?optionally matches the literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

\:the literal : (58₁₀ / 72₈ / 3A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

2nd Alternative[a-zA-Z0-9]{1,}\.{1}

Character Class[a-zA-Z0-9]{1,}

{1,}matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

\.{1}the literal . (46₁₀ / 56₈ / 2E₁₆) , repeated exactly 1 time

3rd Alternative\b

\ban ASCII word boundary

Non-Capturing Group(?:\w{1,}\.{1}){1,5}

{1,5}repeats the group contents below between 1 and 5 times:

\w{1,}any word character, repeated at least once

\.{1}the literal . (46₁₀ / 56₈ / 2E₁₆) , repeated exactly 1 time

Non-Capturing Group(?:com|org|edu|gov|uk|net|ca|de|jp|fr|au|us|ru|ch|it|nl|se|no|es|mil|iq|io|ac|ly|sm){1}

{1}repeats the group contents below exactly 1 time:

1st Alternativecom

comthe literal text com (case sensitive)

2nd Alternativeorg

orgthe literal text org (case sensitive)

3rd Alternativeedu

eduthe literal text edu (case sensitive)

4th Alternativegov

govthe literal text gov (case sensitive)

5th Alternativeuk

ukthe literal text uk (case sensitive)

6th Alternativenet

netthe literal text net (case sensitive)

7th Alternativeca

cathe literal text ca (case sensitive)

8th Alternativede

dethe literal text de (case sensitive)

9th Alternativejp

jpthe literal text jp (case sensitive)

10th Alternativefr

frthe literal text fr (case sensitive)

11th Alternativeau

authe literal text au (case sensitive)

12th Alternativeus

usthe literal text us (case sensitive)

13th Alternativeru

ruthe literal text ru (case sensitive)

14th Alternativech

chthe literal text ch (case sensitive)

15th Alternativeit

itthe literal text it (case sensitive)

16th Alternativenl

17th Alternativese

18th Alternativeno

19th Alternativees

20th Alternativemil

21st Alternativeiq

22nd Alternativeio

23rd Alternativeac

24th Alternatively

25th Alternativesm

Non-Capturing Group(?:\/[a-zA-Z0-9]{1,})*

Global pattern flags

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

g modifier: global. Finds all matches instead of stopping after the first

Search reference

Regular Expression

((?<=[^a-zA-Z0-9])(?:https?\:\/\/|[a-zA-Z0-9]{1,}\.{1}|\b)(?:\w{1,}\.{1}){1,5}(?:com|org|edu|gov|uk|net|ca|de|jp|fr|au|us|ru|ch|it|nl|se|no|es|mil|iq|io|ac|ly|sm){1}(?:\/[a-zA-Z0-9]{1,})*)

New

== Good ==

https://facebook.com/marko/polo
https://facebook.com/marko/pol2o
www.moshe.io
http://marko.polo.com
subdomain.pizza.com
bitly.com/14awOx4

== Good in random text
Dude, I'm telling you, every other https://facebook.com/marko/polo URL regex just so sucked. it even crashed https://facebook.com/marko/pol2o. In one case + there are case where www.moshe.io would be cought but this one works likes charm http://marko.polo.com exactly what I needed // // look it doesn't catch subdomain.pizza.com anyhthing else ! it's totally amazing !
bitly.com/fdsafdf


== Bad ==

https://www.........more..........no/com
4.5x10.9
etc..!
me.you
you.them