<athe literal text <a (case sensitive) Negated Character Class[^>]+? +?matches at least one character outside the set below:
>the literal > (6210 / 768 / 3E16)
hrefthe literal text href (case sensitive) \s*any whitespace character, repeated any number of times
=the literal = (6110 / 758 / 3D16)
\s*any whitespace character, repeated any number of times
"the literal " (3410 / 428 / 2216)
'the literal ' (3910 / 478 / 2716)
\s?optionally matches any whitespace character
.+?any character (except for line terminators), repeated at least once
\2the text saved by group 2
Positive Lookahead(?=\s{1}|>) \s{1}any whitespace character, repeated exactly 1 time
>the literal > (6210 / 768 / 3E16)
g modifier: global. Finds all matches instead of stopping after the first