Re: Regular expression help

That's it! Thank you very much, you have the answer. I wonder why the programmer did not write the following line instead: if (strlen(trim($val))) { // Do the job here } Anyways, you just proved that I did not fix the bug! Now I have to work even more! :-P Thanks "Matthias Nothhaft" <php@mahono.de> wrote in message news:3FC3C9A4.3090002@mahono.de... > Hi, > > ^ inside [] means "not the following chars", so your expression means: > > if ($val contains no space " ", no tab "\t" and no newline "\n") > { > //do the job ... > } > > Regards, > Matthias > > > > Ben wrote: > > I need someone to tell me exactly what this regular-expression means: > > if(ereg("[^ \t\n]",$val)) { > > // do the job here > > } > > > > I'm looking for an intermittent bug, and I need to understand this to make > > sure I have found the bug. > > > > Thanks > >