use YAPE::Regex::Explain;
print YAPE::Regex::Explain->new(
qr/\[table\].*\[\/table\]/
)->explain;
__END__
The regular expression:

(?-imsx:\[table\].*\[/table\])

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):
----------------------------------------------------------------------
  \[                       '['
----------------------------------------------------------------------
  table                    'table'
----------------------------------------------------------------------
  \]                       ']'
----------------------------------------------------------------------
  .*                       any character except \n (0 or more times
                           (matching the most amount possible))
----------------------------------------------------------------------
  \[                       '['
----------------------------------------------------------------------
  /table                   '/table'
----------------------------------------------------------------------
  \]                       ']'
----------------------------------------------------------------------
)                        end of grouping
----------------------------------------------------------------------
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