Regular Expressions 101

Pro

Group 1((http[s]?\:)\/\/)?

?repeats the group contents below at most once:

Group 2(http[s]?\:)

httpthe literal text http (case insensitive)

Character Class[s]?

?matches at most one character from the set below:

sthe literal s (115₁₀ / 163₈ / 73₁₆) (case insensitive)

\:the literal : (58₁₀ / 72₈ / 3A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 3([^\?\:\/#]+)

Negated Character Class[^\?\:\/#]+

+matches at least one character outside the set below:

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

\:the literal : (58₁₀ / 72₈ / 3A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

#the literal # (35₁₀ / 43₈ / 23₁₆)

Group 4(\:([0-9]+))?

?repeats the group contents below at most once:

\:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 5([0-9]+)

Character Class[0-9]+

+matches at least one character from the set below:

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

Group 6(\/[^\?\#]*)?

?repeats the group contents below at most once:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negated Character Class[^\?\#]*

*matches any number of characters outside the set below:

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

\#the literal # (35₁₀ / 43₈ / 23₁₆)

Group 7(\?([^#]*))?

?repeats the group contents below at most once:

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

Group 8([^#]*)

Negated Character Class[^#]*

*matches any number of characters outside the set below:

#the literal # (35₁₀ / 43₈ / 23₁₆)

Group 9(#.*)?

?repeats the group contents below at most once:

#the literal # (35₁₀ / 43₈ / 23₁₆)

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

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

((http[s]?\:)\/\/)?([^\?\:\/#]+)(\:([0-9]+))?(\/[^\?\#]*)?(\?([^#]*))?(#.*)?

New

http://127.0.0.1:8080/some/path?a=1&b=2&a=3#asdflk
www.url-with-querystring.com/?url=has-querystring
http://www.google.com#!something
http://www.google.com?a=1&b=2&a=3

Extraction

http://127.0.0.1:8080/some/path?a=1&b=2&a=3#asdflk
www.url-with-querystring.com/?url=has-querystring
http://www.google.com#!something
http://www.google.com?a=1&b=2&a=3