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PUBLIC MARKS with tags perl & compile

25 July 2011 10:45

perlfaq6 - what is /o really for ?

by sylvainulg (via)

The /o option for regular expressions (documented in perlop and perlreref) tells Perl to compile the regular expression only once. This is only useful when the pattern contains a variable. Perls 5.6 and later handle this automatically if the pattern does not change.

compile regexp perl

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last mark : 25/07/2011 10:52