^start of line
httpthe literal text http (case sensitive) s?optionally matches the literal s (11510 / 1638 / 7316) (case sensitive)
:the literal : (5810 / 728 / 3A16)
\/the literal / (4710 / 578 / 2F16)
\/the literal / (4710 / 578 / 2F16)
?repeats the group contents below at most once:
wwwthe literal text www (case sensitive) \.the literal . (4610 / 568 / 2E16)
vimeothe literal text vimeo (case sensitive) .any character (except for line terminators)
comthe literal text com (case sensitive) \/the literal / (4710 / 578 / 2F16)
Group 2(channels\/[a-zA-Z0-9]*\/)? ?repeats the group contents below at most once:
channelsthe literal text channels (case sensitive) \/the literal / (4710 / 578 / 2F16)
Character Class[a-zA-Z0-9]* *matches any number of characters from the set below:
a-zone character from a (9710) to z (12210) (case sensitive)
A-Zone character from A (6510) to Z (9010) (case sensitive)
0-9one character from 0 (4810) to 9 (5710)
\/the literal / (4710 / 578 / 2F16)
*matches any number of characters from the set below:
0-9one character from 0 (4810) to 9 (5710)
Group 4(\/(?<hash>[a-zA-Z0-9]+))? ?repeats the group contents below at most once:
\/the literal / (4710 / 578 / 2F16)
Group hash(?<hash>[a-zA-Z0-9]+) Character Class[a-zA-Z0-9]+ +matches at least one character from the set below:
a-zone character from a (9710) to z (12210) (case sensitive)
A-Zone character from A (6510) to Z (9010) (case sensitive)
0-9one character from 0 (4810) to 9 (5710)
?repeats the group contents below at most once:
\#the literal # (3510 / 438 / 2316)
t=the literal text t= (case sensitive) \d+a digit, repeated at least once
sthe literal s (11510 / 1638 / 7316) (case sensitive)
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