<the literal < (6010 / 748 / 3C16)
\/?optionally matches the literal / (4710 / 578 / 2F16)
athe literal a (9710 / 1418 / 6116) (case sensitive)
?optionally matches the literal (3210 / 408 / 2016)
?repeats the group contents below at most once:
Negated Character Class[^>]+ +matches at least one character outside the set below:
>the literal > (6210 / 768 / 3E16)
>the literal > (6210 / 768 / 3E16)
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