Regular Expressions 101

Pro

^start of line

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

my-pagethe literal text my-page (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negative Lookahead(?!.*(?:foo|bar|baz))

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

Non-Capturing Group(?:foo|bar|baz)

1st Alternativefoo

foothe literal text foo (case sensitive)

2nd Alternativebar

barthe literal text bar (case sensitive)

3rd Alternativebaz

bazthe literal text baz (case sensitive)

.+any character (except for line terminators), repeated at least once

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.

25 tokens

^\/my-page\/(?!.*(?:foo|bar|baz)).+

New

/my-page/thing1
/my-page/another-thing
/my-page/foo
/my-page/bar
/my-page/baz
/my-page/

/my-page/thing1
/my-page/another-thing
/my-page/foo
/my-page/bar
/my-page/baz
/my-page/