Re: Re: foreach (each character in string..)?

while ($string =~ /./gs) { # whatever with $& # note that this incurs the penalty for using $& }

You can avoid the $& penalty by using parentheses: /(.)/gs and using the $1 variable.

Arjen

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Re: Re: Re: foreach (each character in string..)? by duff (Parson) on Jan 20, 2004 at 21:21 UTC
You can avoid the $& penalty by using parentheses: /(.)/gs and using the $1 variable. Just to clarify ... you can avoid the `$&` penalty on all your other regular expressions, but you still pay it on this one (only its name is changed to `$1`) duff	[reply] [d/l] [select]