Re: eregi help please

I am using if (eregi("[a-z0-9. ]+$", $string)) { and it works just like a charm. Thanks, Hardy. "Hardy Merrill" <merrill@missioncriticallinux.com> wrote in message news:20001017121216.A15815@merrill.lowell.mclinux.com... > Jeff Lacy [jeffdl@mn.mediaone.net] wrote: > > Could some kind soul please help me with eregi? I need something that will return true if $string doesn't contain anything other than a-z or 0-9 or . or a space. The best thing I have been able to come up with is > > > > if (eregi("([a-z]|[0-9]|[.]|[[:space:]])+", $string) { > > How 'bout > > if (eregi("^[a-zA-Z\. ]+$", $string)) { > > I'm more experienced with Perl, so I'm not sure this works, but > the concept is - return true if the only characters in the string > are letters, periods, and spaces - use the carrot "^" to anchor > the regex to the beginning and the dollar sign "$" to anchor the > regex to the end - meaning that *ALL* characters in between must > match the regex in order to return true. I'm not sure "eregi" > uses the ^ and $ as anchors, and at the moment I can't try thiss > to confirm it. > > If you want to return true if you find anything *BUT* those characters, > you can use this: > > if (eregi("[^a-zA-Z\. ]+", $string)) { > > The carrot at the beginning of the *inside* of the square > brackets says "not" - so will return true if it finds any > characters which are NOT one of the ones listed. > > Again, test this, because I'm not sure what PHP's eregi > uses in comparison to Perl's regex operators. > > HTH. > > -- > Hardy Merrill > Mission Critical Linux, Inc. > http://www.missioncriticallinux.com > > > echo "$string is okay"; > > } > > else { > > echo "$string is wrong, you fool!!!"; > > } > > > > That doesn't work quite right, though. Could you please help me with it? Thank you so much! > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, e-mail: php-general-unsubscribe@lists.php.net > For additional commands, e-mail: php-general-help@lists.php.net > To contact the list administrators, e-mail: php-list-admin@lists.php.net >