Question: Are both versions of perlrunning in the same box? If so, 5.8.8 seems to be faster that 5.10.1 for both regexps!

From these results, s/\s*,\s*/,/ is faster than the longer one. Backtracking is better than alternations? Replacing always is better than selective ones?

In reply to Re^2: Comparing Regular Expressions by vitoco
in thread Comparing Regular Expressions by vitoco

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