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

Hi, Use: eregi_replace("($criteria)", "<b>\\1</b>", $txt); Ciao, Andreas Steven Werby wrote: > > I have a function that searches a string for supplied criteria value. > I have the following string: > > $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>. > > I've tried: > > 1. > $str = eregi_replace("$criteria", "<b>$criteria</b>", $txt) > This converts all case-insensitive occurences of "php" to the case used in $criteria. > > 2. > $str = ereg_replace("$criteria", "<b>$criteria</b>", $txt) > This only matches case-sensitive matches. > > 3. > $criteria_2 = strtolower($criteria); > $txt = ereg_replace("$criteria_2", "<b>$criteria_2</b>", $txt); > $criteria_3 = strtoupper(substr($criteria,0,1)) . substr($criteria,1); > $txt = ereg_replace("$criteria_3", "<b>$criteria_3</b>", $txt); > > This works pretty well. It matches "php" and "Php", but doesn't match > anything with > upper-case characters anywhere other than the beginning of the word. > > Is there a better way to approach this? Does anyone have a solution that works? > > Steven Werby {steven-lists@befriend.com} > > -- > 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