So you wanna remove the string if it start with myword? Try this: 
if $line =~ /^myword.*$/ {
     $line =~ s/$&//g
    }

[download]
Updated. Oh I see you need to remove the line until the last option. Heres the code: 
if $line =~ /(^myword.*option\d+\s+).*$/ {
     $line =~ s/$1//g
    }

[download]

In reply to Re: remove specific data from a line by idle
in thread remove specific data from a line by Anonymous Monk

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