Re: Using regex to replace text with bold version - problem with case

Just one note about this. If you make criteria php which could be your users search and display back the results, all instances of php in the string are converted to lower case due to the eregi_replace. Sorry if you already know about this I just thought it would be worth pointing out. Matt ----- Original Message ----- From: Craig Vincent <webmaster@webdream.com> To: Steven Werby <steven-lists@befriend.com>; <php-general@lists.php.net> Sent: Wednesday, July 12, 2000 9:02 PM Subject: RE: [PHP] Using regex to replace text with bold version - problem with case > > $str = "PHP is great. Isn't php great? I like Php."; > > > > If $criteria equals PHP, Php, php (or even PhP) I want to convert $str to: > > > > <b>PHP</b> is great. Isn't <b>php</b> great? I like > > <b>php</b>. > > 1. > > $str = eregi_replace("$criteria", "<b>$criteria</b>", > > $txt) > > This converts all case-insensitive occurences of "php" to the > > case used in $criteria. > > This *will* work...but your quoting is incorrect > > $str = eregi_replace('$criteria', "<b>$criteria</b>", $txt); > > You'll notice I replace the needle argument with single instead of double > quotes. This is because using double quotes PHP will first translate the > variable and then do the comparison...so effectively you were asking for > > $str = eregi_replace("<b>PHP</b>", "<b>PHP</b>", > $txt) > > Which first off would not match your current setup and even if it did would > be pointless :) > > The single quotes tells PHP not to translate the variable...so it will > actually search for $criteria in the HTML. > > Sincerely, > > Craig Vincent > > > -- > 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 >