\<the literal < (6010 / 748 / 3C16)
Negated Character Class[^>]+ +matches at least one character outside the set below:
>the literal > (6210 / 768 / 3E16)
\>the literal > (6210 / 768 / 3E16)
\s+any whitespace character, repeated at least once
Negated Character Class[^<]*? *?matches any number of characters outside the set below:
<the literal < (6010 / 748 / 3C16)
\s*any whitespace character, repeated any number of times
Positive Lookahead(?=\<|$) \<the literal < (6010 / 748 / 3C16)
$end of string, or before its final line terminator
g modifier: global. Finds all matches instead of stopping after the first