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What regular expression can never match? \[/quote\]how do i write a regular expression which returns false always in php.i wanted this bcos . i wanted to display a error msg with out a form rule...so i did like this..\[code\]if($values['result_msg'] == 'ERROR') { $form->registerRule('just_check','regex','/$^/'); $form->addRule('abc', 'Please enter valid Model Number.','just_check'); }\[/code\]
What regular expression can never match? \[/quote\]how do i write a regular expression which returns false always in php.i wanted this bcos . i wanted to display a error msg with out a form rule...so i did like this..\[code\]if($values['result_msg'] == 'ERROR') { $form->registerRule('just_check','regex','/$^/'); $form->addRule('abc', 'Please enter valid Model Number.','just_check'); }\[/code\]