sean orourke rwqjlcsuclaedu dave mitchell writes mon nov 12 2007 010632am 0100 demerphq wrote like principle disabling copy semantics target string readonly would additional strategy copy string copy bit covered 1stcharof1 lastcharofn assuming arent action record offset would handle case repeated matching small chunks large string eg genomes sounds interesting bit scarier dont know perl core well looking minimal changes make performant youre copy whole match make fast well case hard set svreadonly know need another similar option thought add regex modifier maybe g promise touch target string way would safe behavior default could turn knew needed thu 07 aug 2008 130333 0800 possible avoid slowdown large mg