Search for occurrence of string using Pattern and Matcher

RegexDemo.java

import java.util.regex.*;

public class RegexDemo {
  public static final String SAMPLE_STRING = "Perfection is not attainable, but if we chase perfection we can catch excellence";

  public static void main(String[] args) {
    //pattern to compare \\b matches word boundaries, so 
    //the below pattern only matches we
    String searchStr = "we";
    Pattern pattern = Pattern.compile("\\b" + searchStr + "\\b");
    String newLine = System.getProperty("line.separator");
    
    Matcher matcher = pattern.matcher(SAMPLE_STRING);
    int Count = 0;
    while (matcher.find()) {
      Count++;
    }
    
    System.out.println("Input String: " + SAMPLE_STRING);
    System.out.println("Found " + Count + " occurrences of " + searchStr);
  }
}