Re: Are beheaded strings known to be slow?

[LanX]

first observation test1 operates directly on $str not $s

then you should measure how fast those substrs operate without the regex and if they really always deal with strings of the same length.

[Anonymous Monk]

first observation test1 operates directly on $str not $s

ouch, thanks, I blundered when making SSCCE, s/str/s/ doesn't make any difference