wncryptorg nicholas clark wrote tue nov 06 2007 073836am 0800 dst heise de wrote applying regex using string flagged utf8 submatch unexpectedly tainted reproduce behaviour code first unexpectedly tainted comment line flags line utf8 first tainted longer still blead thought something swash loading code doesnt seem change program loop results change correct output would untainted times way multiple magic handled hiding first magic chain handing next seem remember causing problem similar past hugo thu 07 aug 2008 143806 0000 perl 47195 1 suddenly tainted regexp utf8 string