Create phoneNumberValidation.js

This function validates the phone number entered by the user. If it is not in the correct format (Indian mobile number with optional 0/91 prefix), the form will not be submitted.

Author: RaviGaurav007

Client-Side Components/Client Scripts/Phone Number Validation /phoneNumberValidation.js

@@ -0,0 +1,8 @@
+function onSubmit() {
+ 
+var phone=g_form.getValue('phone_number_field');//09898989
+var pregex=/(0|91)?[6-9][0-9]{9}/;
+if(!pregex.test(phone)){
+    alert("Enter correct phone number");
+    return false;
+}