Okay, that makes a little more sense. -----Original Message----- From: Jeff 'japhy' Pinyan [mailto:jeffp@crusoe.net] Sent: Monday, March 04, 2002 1:31 PM To: Timothy Johnson Cc: beginners@perl.org Subject: RE: Comparing to many possibles On Mar 4, Timothy Johnson said: > I still am not convinced that all of the hoopla about \z is really >necessary. I guess the question I need answered before I go back and change >anything is this: How is the user supposed to enter an extra \n without >exiting the prompt? What I mean is, the only situation in which this could >make a difference is if you concede that a user can somehow enter a \n >character into a prompt without returning that value back to your script. >Otherwise it's your fault if you don't chomp their response. If I am asked how to convert if ($x eq 'y' or $x eq 'z') { ... } to a regex, I will give the correct answer: if ($x =~ /^[yz]\z/) { ... } Using $ changes the range of accepted answers. That is why I use \z instead of $. If the question asked was something like "how can I see if the user entered 'y' or 'z' as input?" I would probably use $ because there is no way of determining whether the person asking has chomp()ed or not. -- Jeff "japhy" Pinyan japhy@pobox.com http://www.pobox.com/~japhy/ RPI Acacia brother #734 http://www.perlmonks.org/ http://www.cpan.org/ ** Look for "Regular Expressions in Perl" published by Manning, in 2002 ** <stu> what does y/// stand for? <tenderpuss> why, yansliterate of course. [ I'm looking for programming work. If you like my work, let me know. ] -------------------------------------------------------------------------------- This email may contain confidential and privileged material for the sole use of the intended recipient. If you are not the intended recipient, please contact the sender and delete all copies.Thread Previous | Thread Next