I'm not clear headed ATM to figure out your regex, but you should check out these

?? perlfaq -> perlfaq6 -> Can I use Perl regular expressions to match balanced text?

?? perlfaq6#What good is \G in a regular expression?

Re: print output from the text file. (marpa scanless dsl calculator), Re^2: Help with regular expression ( m/\G/gc ),

In reply to Re: RegEx - Positive Look-ahead by Anonymous Monk
in thread RegEx - Positive Look-ahead by tmharish

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