while(<WORDLIST>)
{
    if( /^process/ .. /end process/ )
    {
        #recognize and skip first delimiter
        next if /^process/;
        #recognize and skip end delimiter
        next if /end process/;
        # do something with the middle.
        print;
    }
}

##</code><code>##

while(<WORDLIST>)
{
    next if /^process/ or /^end process/;
    print;
}