If you're using locales
Or have marked your data as unicode: 
$ perl -we'$x = "\xff"; print 0 + $x =~ /\w/'
0
$ perl -we'$x = "\xff"; utf8::upgrade($x); print 0 + $x =~ /\w/'
1

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In reply to Re^2: Regular expressions and accents by ysth
in thread Regular expressions and accents by Anonymous Monk

Title:
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and:  <code> code here </code>
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