Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

public class Main {
    public static void main(String[] argv) throws Exception {
        // Use COMMENTS but include a character class with a space

        CharSequence inputStr = "a b";
        String patternStr = "a b";

        // Compile without comments
        Pattern pattern = Pattern.compile(patternStr);
        Matcher matcher = pattern.matcher(inputStr);
        boolean matchFound = matcher.matches();

        // Compile with comments
        pattern = Pattern.compile(patternStr, Pattern.COMMENTS);
        matcher = pattern.matcher(inputStr);
        matchFound = matcher.matches();

        patternStr = "a  [\\ ]  b";
        pattern = Pattern.compile(patternStr, Pattern.COMMENTS);
        matcher = pattern.matcher(inputStr);
        matchFound = matcher.matches();
    }
}