Regular Expressions 101

Pro

^start of line

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Non-Capturing Group(?:user/)?

?repeats the group contents below at most once:

user/the literal text user/ (case sensitive)

profilethe literal text profile (case sensitive)

Non-Capturing Group(?:/(?:[^/]+/?)?)?

?repeats the group contents below at most once:

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Non-Capturing Group(?:[^/]+/?)?

?repeats the group contents below at most once:

Negated Character Class[^/]+

+matches at least one character outside the set below:

/the literal / (47₁₀ / 57₈ / 2F₁₆)

/?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.

25 tokens

^/(?:user/)?profile(?:/(?:[^/]+/?)?)?$

New

/profile
/profile/
/profile/asd
/profile/asd/
/user/profile
/user/profile/
/user/profile/asd
/user/profile/asd/

/profile
/profile/
/profile/asd
/profile/asd/
/user/profile
/user/profile/
/user/profile/asd
/user/profile/asd/