c:\@Work\Perl\monks>perl -wMstrict -le
"use Regexp::Common;
 ;;
 print qq{$RE{profanity}};
 print qq{A: match '$1'} if 'xxxpissxxx' =~ m{ ($RE{profanity}) }xms;
 ;;
 print '--------';
 (my $erp = $RE{profanity}) =~ s{ \A \Q(?:\b\E (.*) \Q\b)\E \z }{$1}xms;
 print qq{'$erp'};
 ;;
 print qq{B: match '$1'} if 'xxxpissxxx' =~ m{ ($erp) }xms;
"
(?:\b(?:(?:piss(?:\ take|\-take|take|e(?:rs|[srd])|ing|y)?|quims?|shit(?:t(?:e(?:rs|[dr])|ing|y)|e(?
:rs|[sdry])|ing|[se])?|t(?:urds?|wats?)|wank(?:e(?:rs|[rd])|ing|s)?|a(?:rs(?:e(?:\ hole|\-hole|hole|
[sd])|ing|e)|ss(?:\ holes?|\-holes?|ed|holes?|ing))|b(?:ull(?:\ shit(?:t(?:e(?:rs|[dr])|ing)|s)?|\-s
hit(?:t(?:e(?:rs|[dr])|ing)|s)?|shit(?:t(?:e(?:rs|[dr])|ing)|s)?)|low(?:\ jobs?|\-jobs?|jobs?))|c(?:
ock(?:\ suck(?:ers?|ing)|\-suck(?:ers?|ing)|suck(?:ers?|ing))|rap(?:p(?:e(?:rs|[rd])|ing|y)|s)?|u(?:
nts?|m(?:ing|ming|s)))|dick(?:\ head|\-head|ed|head|ing|less|s)|f(?:uck(?:ed|ing|s)?|art(?:e[rd]|ing
|[sy])?|eltch(?:e(?:rs|[rsd])|ing)?)|ha(?:rd[\-\ ]?on|lf(?:\ a[sr]|\-a[sr]|a[sr])sed)|m(?:other(?:\
fuck(?:ers?|ing)|\-fuck(?:ers?|ing)|fuck(?:ers?|ing))|uth(?:a(?:\ fuck(?:ers?|ing|[aaa])|\-fuck(?:er
s?|ing|[aaa])|fuck(?:ers?|ing|[aaa]))|er(?:\ fuck(?:ers?|ing)|\-fuck(?:ers?|ing)|fuck(?:ers?|ing)))|
erde?)))\b)
--------
'(?:(?:piss(?:\ take|\-take|take|e(?:rs|[srd])|ing|y)?|quims?|shit(?:t(?:e(?:rs|[dr])|ing|y)|e(?:rs|
[sdry])|ing|[se])?|t(?:urds?|wats?)|wank(?:e(?:rs|[rd])|ing|s)?|a(?:rs(?:e(?:\ hole|\-hole|hole|[sd]
)|ing|e)|ss(?:\ holes?|\-holes?|ed|holes?|ing))|b(?:ull(?:\ shit(?:t(?:e(?:rs|[dr])|ing)|s)?|\-shit(
?:t(?:e(?:rs|[dr])|ing)|s)?|shit(?:t(?:e(?:rs|[dr])|ing)|s)?)|low(?:\ jobs?|\-jobs?|jobs?))|c(?:ock(
?:\ suck(?:ers?|ing)|\-suck(?:ers?|ing)|suck(?:ers?|ing))|rap(?:p(?:e(?:rs|[rd])|ing|y)|s)?|u(?:nts?
|m(?:ing|ming|s)))|dick(?:\ head|\-head|ed|head|ing|less|s)|f(?:uck(?:ed|ing|s)?|art(?:e[rd]|ing|[sy
])?|eltch(?:e(?:rs|[rsd])|ing)?)|ha(?:rd[\-\ ]?on|lf(?:\ a[sr]|\-a[sr]|a[sr])sed)|m(?:other(?:\ fuck
(?:ers?|ing)|\-fuck(?:ers?|ing)|fuck(?:ers?|ing))|uth(?:a(?:\ fuck(?:ers?|ing|[aaa])|\-fuck(?:ers?|i
ng|[aaa])|fuck(?:ers?|ing|[aaa]))|er(?:\ fuck(?:ers?|ing)|\-fuck(?:ers?|ing)|fuck(?:ers?|ing)))|erde
?)))'
B: match 'piss'