perl precompiled regex question -

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Do I actually get any benefit from doing the following (as opposed to $$ in both the actual regex PCR) If statement)? (Too many lines are in the real data set, but for example, just use the data. 

  my $ defs = 0; my $ test = 0; my $ pcr = qr / \ s * [\ / \\]? \ S * /; While (& lt; data & gt;) {$ defs = ($ 1? 0: 1) / / lt; ($ {pcr}) / Definitions; $ Test = ($ 1? 0: 1) / / lt; ($ {pcr}) test /; print "defs: $ defs \ ntests: $ tests \ n \ n";} __DATA__

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