On 24-Jun-2003 Sparky Kopetzky wrote: > I'm translating (hacking) code from Perl to PHP and have two reg exp > expressions I can't figure out what they do. > > 1st: $goodbadnum =~ tr/0-9//cd; I think this one removes any chars that > are not numbers. >
Nope. That removes digits '0-9' $goodbadnum= preg_replace('!\d+!', '', $goodbadnum); > 2nd: $goodbadnum =~ tr/0-9/x/; I think this one replaces and numbers with > an 'x'. > Yep. that replaces every digit with an 'x'. $goodbadnum= preg_replace('!\d!', 'x', $goodbadnum); Regards, -- Don Read [EMAIL PROTECTED] -- It's always darkest before the dawn. So if you are going to steal the neighbor's newspaper, that's the time to do it. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php