Dario Lesca wrote: > Hi, how to found into string 2 or more word, only if are all present? > > % echo "aa bb cc dd"|egrep -q '(bb|dd)' && echo found > > This command show "found" if bb OR dd are in string. > But if I want show "found" only if bb AND dd are present into string. > > What egrep (or sed) command I must use? I know Matt solved this with some impressive perl-fu, but here's a solution just so grep doesn't feel left out :-) text="aa bb cc dd"; echo " $text " | egrep -qe '( aa( .+)* dd )|( dd( .+)* aa )' && echo found Khoa
