Regular Expressions 101

Pro

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 1(test|foo|en|ppp|bar\/baz)

1st Alternativetest

testthe literal text test (case sensitive)

2nd Alternativefoo

foothe literal text foo (case sensitive)

3rd Alternativeen

enthe literal text en (case sensitive)

4th Alternativeppp

pppthe literal text ppp (case sensitive)

5th Alternativebar\/baz

barthe literal text bar (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

bazthe literal text baz (case sensitive)

Group 2(\/?((?<!bar\/baz\/?)\?\w+=\w+|[-\w]+))*

*repeats the group contents below any number of times:

\/?optionally matches the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 3((?<!bar\/baz\/?)\?\w+=\w+|[-\w]+)

1st Alternative(?<!bar\/baz\/?)\?\w+=\w+

Negative Lookbehind(?<!bar\/baz\/?)

barthe literal text bar (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

bazthe literal text baz (case sensitive)

\/?optionally matches the literal / (47₁₀ / 57₈ / 2F₁₆)

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

\w+any word character, repeated at least once

=the literal = (61₁₀ / 75₈ / 3D₁₆)

\w+any word character, repeated at least once

2nd Alternative[-\w]+

Character Class[-\w]+

+matches at least one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\wany word character

\/?optionally matches the literal / (47₁₀ / 57₈ / 2F₁₆)

$end of line

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.

26 tokens

Regular Expression

\/(test|foo|en|ppp|bar\/baz)(\/?((?<!bar\/baz\/?)\?\w+=\w+|[-\w]+))*\/?$

New

www.mysite.com/bar/baz/?uid=100/
www.mysite.com/bar/baz?uid=100
www.mysite.com/bar/baz
www.mysite.com/bar/baz/en/?uid=100
www.mysite.com/bar/baz/en/?uid=100/
www.mysite.com/en/bar/baz/