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)
Negative Lookahead(?!(?:www\.)?mydomain) Non-Capturing Group(?:www\.)? ?repeats the group contents below at most once:
wwwthe literal text www (case sensitive) \.the literal . (4610 / 568 / 2E16)
mydomainthe literal text mydomain (case sensitive) Non-Capturing Group(?:www\.)? ?repeats the group contents below at most once:
wwwthe literal text www (case sensitive) \.the literal . (4610 / 568 / 2E16)
Negated Character Class[^.] .the literal . (4610 / 568 / 2E16)
.*any character (except for line terminators), repeated any number of times
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