HowToDoInJava

Java format string to phone number with dashes – (123) 456-6789 pattern

By Lokesh Gupta | Filed Under: Java String class

Learn to format string to phone number pattern which is (123) 456-6789. This conversion is generally required in applications where customer’s data has to be displayed and phone number is part of this data.

How to format string to phone number with dashes

To format string to phone number –

  1. Break the string to 3 groups using regular expression '(\\d{3})(\\d{3})(\\d+)'.
  2. First group contains 3 digits. Second contains 3 digits and last group contains all remaining digits.
  3. Create a formatted string using these groups in '($1) $2-$3' pattern.

Given below is a Java program which converts a string to phone number in (###) ###-#### format.

String input = "1234567890";

String number = input.replaceFirst("(\\d{3})(\\d{3})(\\d+)", "($1) $2-$3");

System.out.println(number);

Program output.

(123) 456-7890

Happy Learning !!

LinkedinRedditPocket

About Lokesh Gupta

A family guy with fun loving nature. Love computers, programming and solving everyday problems. Find me on Facebook and Twitter.

Ask Questions & Share Feedback

Please do not submit a comment only to say "Thank you".

*Want to Post Code Snippets or XML content? Please use [java] ... [/java] tags otherwise code may not appear partially or even fully. e.g.
[java] 
public static void main (String[] args) {
...
} 
[/java]