Approve Phone Number Field For Free

Test(phoneNumber)) { if(phoneNumber. length==10){ var validate = true; } else { alert('Please put 10 digit mobile number'); var validate = false; } } else { alert('Not a valid number'); var validate = false; } if(validate){ //number is equal to 10 digit or number is not string enter code here... }

Approach 2: Using substr() Method This example is using the substr() method to format a phone number in Human-Readable format. It is taking a substrings of length 3 and putting '-' among them. Remaining string elements using the same method.

Phone number validation using a simple Regular expression 0-9]{3}[-\s\.]?[ 0-9]{4,6}$/im; return re. test(input_str); } function validateForm(event) { var phone = document. getElementById('myform_phone').

HTML Demo: <input type="tel"> <label for="phone">Enter your phone number:</label> <input type="tel" id="phone" name="phone" pattern="[0-9]{3}-[0-9]{3}-[0-9]{4}" required /> <small>Format: 123-456-7890</small>

Mobile Number validation criteria: The first digit should contain numbers between 6 to 9. The rest 9 digit can contain any number between 0 to 9. The mobile number can have 11 digits also by including 0 at the starting. The mobile number can be of 12 digits also by including 91 at the starting.

Validation of a number If the number is assigned by a telecom authority and has a carrier and line type. The type of line assigned to the number (mobile, VoIP, toll-free, landline, etc.) To which region the number belongs to. The name of the carrier. The format of the phone number (in standard and local accepted format)

How to check if a string contains numbers in JavaScript 1) Using Regex. The obvious solution would be to write regex for it. ... 2) Using for loop and isNaN() This method is not the cleanest solution but might be simple. ... 1) Using Regex: ... 2) Using Number() and isNan(): ... 3) Using Lodash: