[opensuse] bash: Is [ a special character?

Hi grep [7a] somefile finds all lines containing an a or a 7. Quoting: "[7a]" gives the same. a's and 7's. I want to find [7a] Thanks, L x -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse+owner@opensuse.org