Greg Sheridan wrote:
> Hi everyone,
>
> I'm new to this list and I have a very basic question about
> regular expressions.
>
> I inherited a Perl script, and I'm trying to figure out what a
> specific line does.
>
> Here's the line:
>
> $dose_density =~ s/[A-Za-z\/ ]//g;
[] inidicates character class -> replace A thru Z, a thru z, a slash or
space with nothing.
So $dose_density = 'abcd 123 4 ABCD//'
would be be 1234.
Wags ;)
>
> Any help would be greatly appreciated.
>
> Thanks,
> Greg
>
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