regex101: PCRE (Legacy) Match Workspace

Pro

^start of string

Group 1(http:\/\/www\.|https:\/\/www\.|http:\/\/|https:\/\/)

1st Alternativehttp:\/\/www\.

http:the literal text http: (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

wwwthe literal text www (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

2nd Alternativehttps:\/\/www\.

https:the literal text https: (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

wwwthe literal text www (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

3rd Alternativehttp:\/\/

http:the literal text http: (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

4th Alternativehttps:\/\/

https:the literal text https: (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Character Class[a-z0-9]+

+matches at least one character from the set below:

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

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

Group 2([\-\.]{1}[a-z0-9]+)*

*repeats the group contents below any number of times:

Character Class[\-\.]{1}

{1}matches one character from the set below:

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[a-z0-9]+

+matches at least one character from the set below:

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

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[a-z]{2,5}

{2,5}matches between 2 and 5 characters from the set below:

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

Group 3(:[0-9]{1,5})?

?repeats the group contents below at most once:

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Character Class[0-9]{1,5}

{1,5}matches between 1 and 5 characters from the set below:

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

Group 4(\/.*)?

?repeats the group contents below at most once:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

$end of string, or before its final line terminator

25 tokens

Regular Expression

^(http:\/\/www\.|https:\/\/www\.|http:\/\/|https:\/\/)[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(:[0-9]{1,5})?(\/.*)?$

New

http://www.google.c

Substitution

http://www.google.c