<athe literal text <a (case insensitive) .*?any character (except for line terminators), repeated any number of times
>the literal > (6210 / 768 / 3E16)
\s*any whitespace character, repeated any number of times
Group 1([^<\s](?:[^<]*[^<\s])*) Negated Character Class[^<\s] <the literal < (6010 / 748 / 3C16)
\sany whitespace character
Non-Capturing Group(?:[^<]*[^<\s])* *repeats the group contents below any number of times:
Negated Character Class[^<]* *matches any number of characters outside the set below:
<the literal < (6010 / 748 / 3C16)
Negated Character Class[^<\s] <the literal < (6010 / 748 / 3C16)
\sany whitespace character
\s*any whitespace character, repeated any number of times
<the literal < (6010 / 748 / 3C16)
g modifier: global. Finds all matches instead of stopping after the first
i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters