in reply to Re^7: getting ancestors of element
in thread getting ancestors of element
use YAPE::Regex::Explain; print YAPE::Regex::Explain->new( qr/[declaration_]?name="(.*?)"/ )->explain; __END__ The regular expression: (?-imsx:[declaration_]?name="(.*?)") matches as follows: NODE EXPLANATION ---------------------------------------------------------------------- (?-imsx: group, but do not capture (case-sensitive) (with ^ and $ matching normally) (with . not matching \n) (matching whitespace and # normally): ---------------------------------------------------------------------- [declaration_]? any character of: 'd', 'e', 'c', 'l', 'a', 'r', 'a', 't', 'i', 'o', 'n', '_' (optional (matching the most amount possible)) ---------------------------------------------------------------------- name=" 'name="' ---------------------------------------------------------------------- ( group and capture to \1: ---------------------------------------------------------------------- .*? any character except \n (0 or more times (matching the least amount possible)) ---------------------------------------------------------------------- ) end of \1 ---------------------------------------------------------------------- " '"' ---------------------------------------------------------------------- ) end of grouping ----------------------------------------------------------------------
http://perldoc.perl.org/perlintro.html#Regular-expressions/perlrequick
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