- Regular expression check has to have an optional +91 or 0 in the beginning, then an optional space and 10 digits.
- test method of regular expression can be used to validate if the mobile number pattern matches or not.
- validateMobile('+919876543210') returns true.
- validateMobile('+91 9876543210') returns true.
- validateMobile('09876543210') returns true.
- validateMobile('9876543210') returns true.
- validateMobile('99876543210') returns false.
const number = '+919876543210';
function validateMobile(number) {
// write your solution here
return
}
console.log(`is a valid Indian mobile number: ${validateMobile(number)}`)