Source Code : Regular expression and CharSequence

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Regular expression and CharSequence

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

public class Main {
  public static void main(String[] args) {
    String patternStr = "b";
    Pattern pattern = Pattern.compile(patternStr);

    CharSequence inputStr = "a b c b";
    Matcher matcher = pattern.matcher(inputStr);
    boolean matchFound = matcher.find(); 
    System.out.println(matchFound);

    String match = matcher.group(); 
    System.out.println(match);

    int start = matcher.start(); 
    int end = matcher.end(); 
    System.out.println(start);
    System.out.println(end);
    matchFound = matcher.find(); 
  }
}

   
  

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