INTERVIEW QUESTIONS WEB JAVA SCRIPT DETAILS

Question: Example of using Regular Expressions for syntax checking in JavaScript?

Answer: 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. Should be something like: " &a=1&c=4" " )
}

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. Should be something like: " &a=1&c=4" " )
} Source: CoolInterview.com

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