\S*any non-whitespace character, repeated any number of times
rgo1the literal text rgo1 (case sensitive) \S*any non-whitespace character, repeated any number of times
\.the literal . (4610 / 568 / 2E16)
htmlthe literal text html (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