[0-9-]*[0-9]+ jan feb mar apr may jun jul aug sep oct nov dec mon tue wed thu fri sat sun <[A-Za-z0-9._:+-]+@[A-Za-z0-9._:+-]+\.[A-Za-z0-9]{2,4}> ^[\t ]+[*(] (:|^[\t ]*$) ^[\t ]*[=[] $