> here at the monastery only tybalt89 owns a special permission to deal with HTML or XML using regular expressions
Agreed that tybalt89 has earned it.
To nitpick though, I think TheDamian is also worthy of this special permission.
The PPR module provides a single regular expression that defines a set of independent subpatterns suitable for matching entire Perl documents
-- from PPR by TheDamian (as if you couldn't guess ;-)
See also these comments by kcott and haukex, discussing the differences between PPR and PPI.