richard foley caslhisjufjkrfinet tuesday 16 october 2007 1032 demerphq wrote dying death thousand cuts sigh v5100 devel31835 using andys timer attached optperlbinperlfiveten timer_al benchmark timing 50000000 iterations regexy substr regexy 7 wallclock secs 649 usr 004 sys 653 cpu 765696784s n50000000 substr 17 wallclock secs 1603 usr 003 sys 1606 cpu 311332503s n50000000 ouch given 587 588 dont show wildly different results either substr slower three cases guess new rule block might dangerously inferred substr deprecated richard foley ciao shorter aufwiedersehen httpwwwrfinet wed 06 aug 2008 134052 0200 regexsubstr pathtools beta testing