Using the Captured Text of a Group within a Replacement Pattern : Group « Regular Expressions « Java

1. Java
2. Regular Expressions
3. Group

Using the Captured Text of a Group within a Replacement Pattern

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

public class Main {
  public static void main(String[] argv) throws Exception {
    String patternStr = "\\((\\w+)\\)";
    String replaceStr = "<$1>";
    Pattern pattern = Pattern.compile(patternStr);

    CharSequence inputStr = "a (b c) d (ef) g";
    Matcher matcher = pattern.matcher(inputStr);
    String output = matcher.replaceAll(replaceStr);

  }
}

 

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