Re: ereg problem?

by the way, it's to complicated. the brackets [ and ] are used for cha-groups. you can leave them for only one char. so this would be the same: "\\n" (you have to escape the backslash with a backslash) Curt Zirzow wrote: > * Thus wrote John W. Holmes (holmes072000@charter.net): >> chenqi1@zte.com.cn wrote: >> >>> who can tell me what's the pattern string mean. >>> if(ereg("[\\][n]",$username)) >>> { >>> /*Do err*/ >>> } >> >> It's looking for a \ character or a \ character followed by the >> letter n anywhere within the string $username. >> > > I hope that isn't looking for a Carriage Return, cause it never > will... > > Just in case it is.... strstr($username, "\n"); > > Curt