Working with Back References : Replace « Regular Expressions « Java






  1. Java
  2. Regular Expressions
  3. Replace

Working with Back References

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
  public static void main(String args[]) {
    String regex = "(\\w)(\\d)(\\w+)";

    Pattern pattern = Pattern.compile(regex);

    String candidate = "X99 ";

    Matcher matcher = pattern.matcher(candidate);

    String tmp = matcher.replaceAll("$33");

    System.out.println("REPLACEMENT: " + tmp);
    System.out.println("ORIGINAL: " + candidate);
  }
}








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5.ReplaceAll Method from Matcher
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7.Regular Expression search and replace program