How to Validate Phone Number in Java using Regular Expression

To validate the Phone Number in Java it’s better to use regular expressions. Here I have explained some Regular expressions concepts to validate the phone numbers. First Fore users to enter at least 5 digit number and max 13-14 digits. Explanation \\d = only digit allow {3} = length All phone numbers must in “xx-xxxxxxxxx” format. For example phone number validation in Java source code below   Arjun JSArjun is a Full-stack developer, who is fond of the web. Lives in Chikmagalur, Karnataka, India arjunckm.in

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