> I need to remove the string "room" (notice the check for a space too) and
> also to check for spaces in the beginnig and then maybe at the end
> of the total string.
>
> $p110rm01 =~ s/(\sroom|^\s*|\s*$)//igo;
>
It is correct. You can try as,
# echo " hi this is a room ok" | perl -ne 'if ( /\s*.*\sroom.*\s*/ ) {
s/ room//;}print;'
# hi this is a ok
hth.
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