Source Code : Regular Expression Search and Replace Program

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Regular Expression Search and Replace Program

  

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

public class Main {
  public static void main(String[] args) {
    CharSequence inputStr = "a b c a b c";
    String patternStr = "a";
    String replacementStr = "x";

    Pattern pattern = Pattern.compile(patternStr);

    // Replace all occurrences of pattern in input
    Matcher matcher = pattern.matcher(inputStr);
    String output = matcher.replaceAll(replacementStr);
    System.out.println(output);

  }
}

   
    
  

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