Regular Expressions 101

Pro

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

1st Alternativetest

testthe literal text test (case sensitive)

2nd Alternativefoo

foothe literal text foo (case sensitive)

3rd Alternativebar\/baz(?!\/?\?)

barthe literal text bar (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

bazthe literal text baz (case sensitive)

Negative Lookahead(?!\/?\?)

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

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

4th Alternativeen

enthe literal text en (case sensitive)

5th Alternativeppp

pppthe literal text ppp (case sensitive)

Group 2(\/[-\w?=]+)*

*repeats the group contents below any number of times:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Character Class[-\w?=]+

+matches at least one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\wany word character

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

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

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|bar\/baz(?!\/?\?)|en|ppp)(\/[-\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/

Substitution

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/