Regular Expressions 101

^start of line

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

Negative Lookbehind(?<!foo\/bar\/(aaa|bbb|ccc|ddd))

foothe literal text foo (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

barthe literal text bar (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 1(aaa|bbb|ccc|ddd)

1st Alternativeaaa

aaathe literal text aaa (case sensitive)

2nd Alternativebbb

bbbthe literal text bbb (case sensitive)

3rd Alternativeccc

cccthe literal text ccc (case sensitive)

4th Alternativeddd

dddthe literal text ddd (case sensitive)

$end of line

Global pattern flags

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

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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

^\/.*(?<!foo\/bar\/(aaa|bbb|ccc|ddd))$

New

/toto/titi
/foo/toto
/foo/bar/aaa
/foo/bar/bbb
/bar/yeepa
/foo/bar/ccc
/foo/bar/ddd
/

/toto/titi
/foo/toto
/foo/bar/aaa
/foo/bar/bbb
/bar/yeepa
/foo/bar/ccc
/foo/bar/ddd
/