Question

Example Of Using Regular Expressions For Syntax Checking In Javascript

Answer 1

var re = new RegExp("^(&[A-Za-z_0-9]{1,}=[A-Za-z_0-9]{1,})*$");

var text = myWidget.value;

var OK = re.test(text);

if( ! OK ) {

alert("The extra parameters need some work.\r\n Should be something like: \"&a=1&c=4\"");

}