java - Remove parentheses, dashes, and spaces from phone number

Java - Remove parentheses, dashes, and spaces from phone number

To remove parentheses, dashes, and spaces from a phone number using a regular expression in Java, you can use the following pattern:

import java.util.regex.Matcher; import java.util.regex.Pattern; public class CleanPhoneNumber { public static void main(String[] args) { String phoneNumber = "(123) 456-7890"; // Remove parentheses, dashes, and spaces String cleanedNumber = phoneNumber.replaceAll("[\\s()-]", ""); System.out.println("Original Phone Number: " + phoneNumber); System.out.println("Cleaned Phone Number: " + cleanedNumber); } }

In this example:

  • [\\s()-] is the regular expression.
    • \\s matches any whitespace character (spaces).
    • ()- matches literal parentheses and dash characters.

The replaceAll("[\\s()-]", "") method replaces all occurrences of spaces, parentheses, and dashes with an empty string, effectively removing them.

After running this program, the output will be:

Original Phone Number: (123) 456-7890 Cleaned Phone Number: 1234567890

Modify the phoneNumber variable as needed. Adjust the regex if you want to include or exclude specific characters based on your requirements.

Examples

  1. "Java code to remove parentheses from a phone number"

    • Code:
      String cleanedNumber = phoneNumber.replaceAll("[()]", "");

  2. "Java code to eliminate dashes from a phone number"

    • Code:
      String cleanedNumber = phoneNumber.replaceAll("-", "");

  3. "Java regex to strip spaces from a phone number"

    • Code:
      String cleanedNumber = phoneNumber.replaceAll("\\s", "");

  4. "Java code to remove parentheses and dashes from a phone number"

    • Code:
      String cleanedNumber = phoneNumber.replaceAll("[()-]", "");

  5. "Java regex to replace parentheses, dashes, and spaces in a phone number"

    • Code:
      String cleanedNumber = phoneNumber.replaceAll("[()\\s-]", "");

  6. "Java code to strip non-numeric characters from a phone number"

    • Code:
      String cleanedNumber = phoneNumber.replaceAll("\\D", "");

  7. "Java regex for removing formatting from a phone number"

    • Code:
      String cleanedNumber = phoneNumber.replaceAll("[()\\s-]", "");

  8. "Java code to clean phone number by removing special characters"

    • Code:
      String cleanedNumber = phoneNumber.replaceAll("[^0-9]", "");

  9. "Java regex to remove all non-digit characters from a phone number"

    • Code:
      String cleanedNumber = phoneNumber.replaceAll("\\D", "");

  10. "Java code to sanitize phone number by removing unwanted characters"

    • Code:
      String cleanedNumber = phoneNumber.replaceAll("[()\\s-]", "");

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