https:the literal text https: (case sensitive) \/the literal / (4710 / 578 / 2F16)
\/the literal / (4710 / 578 / 2F16)
Non-Capturing Group(?:.*?\.)? ?repeats the group contents below at most once:
.*?any character (except for line terminators), repeated any number of times
\.the literal . (4610 / 568 / 2E16)
domainthe literal text domain (case sensitive) \.the literal . (4610 / 568 / 2E16)
comthe literal text com (case sensitive) .*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