Regular Expressions 101

Group 1((?:https|http|ftp)?:\/\/)?

?repeats the group contents below at most once:

Non-Capturing Group(?:https|http|ftp)?

?repeats the group contents below at most once:

1st Alternativehttps

httpsthe literal text https (case sensitive)

2nd Alternativehttp

httpthe literal text http (case sensitive)

3rd Alternativeftp

ftpthe literal text ftp (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 2([^\/,\s]+\.[^\/,\s]+?)

Negated Character Class[^\/,\s]+

+matches at least one character outside the set below:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\sany whitespace character

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Negated Character Class[^\/,\s]+?

+?matches at least one character outside the set below:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\sany whitespace character

Positive Lookahead(?=\/|,|\s|$|\?|#)

1st Alternative\/

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

2nd Alternative,

,the literal , (44₁₀ / 54₈ / 2C₁₆)

3rd Alternative\s

\sany whitespace character

4th Alternative$

$end of line

5th Alternative\?

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

6th Alternative#

#the literal # (35₁₀ / 43₈ / 23₁₆)

Group 3(.*)

.*any character (except for line terminators), repeated any number of times

Global pattern flags

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

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

((?:https|http|ftp)?:\/\/)?([^\/,\s]+\.[^\/,\s]+?)(?=\/|,|\s|$|\?|#)(.*)

New

http://dominio.do/strig-dinâmica-000-0000-000
https://www.olympikus.com.br/tenis-olympikus-flower-415-feminino-cinza-D22-1131-010
ftp://dominio.br/strig-dinâmica-000-0000-000
dominio.c/strig-dinâmica-000-0000-000

Regular Expression

Extraction