\s+any whitespace character, repeated at least once
hrefthe literal text href (case insensitive) \s*any whitespace character, repeated any number of times
=the literal = (6110 / 758 / 3D16)
\s*any whitespace character, repeated any number of times
?matches at most one character from the set below:
\"the literal " (3410 / 428 / 2216)
\'the literal ' (3910 / 478 / 2716)
Group 1(([^\s\"\']+)[\"\'\s]+rel="[^"]*") Negated Character Class[^\s\"\']+ +matches at least one character outside the set below:
\sany whitespace character
\"the literal " (3410 / 428 / 2216)
\'the literal ' (3910 / 478 / 2716)
+matches at least one character from the set below:
\"the literal " (3410 / 428 / 2216)
\'the literal ' (3910 / 478 / 2716)
\sany whitespace character
rel="the literal text rel=" (case insensitive) Negated Character Class[^"]* *matches any number of characters outside the set below:
"the literal " (3410 / 428 / 2216)
"the literal " (3410 / 428 / 2216)