Uri Guttman wrote:
>>>>>> "CC" == Chuck Crisler <charles.cris...@comcast.net> writes:
>
> CC> How do I access specific character positions in a scalar string? In case
> CC> it makes any difference, I specifically want to test the zeroth
> CC> character. Something like the following.
>
> CC> my $str = "abc";
> CC> if ($str[0] == '#')
> CC> {
> CC> do something...
> CC> }
>
> you already found substr. but i will guess your real need isn't to scan
> a string char by char or to directly index for a char. my suspicious
> nose tells me you are parsing a string and substr is the wrong way to do
> it. regexes will get you each char or more very easily. or you can split
> the string and loop over it that way. but calling substr for each char
> is clumsy and slow. if you want to know that the string begins with a
> char, this regex will do:
>
> $str =~ /^a/
>
> so ask your real question about string munging and not how to do a
> particular technique. Searching "crisler" in the archives results in four messages. I believe he was trying, and his original question was a real question. > this is called the XY problem where you think you > want X but you really want Y. newbs don't understand that, without simple code examples. 'jwkrahn'++. Steve
smime.p7s
Description: S/MIME Cryptographic Signature
