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 {

        // Compile regular expression
        String patternStr = "b";
        Pattern pattern = Pattern.compile(patternStr);

        // Determine if there is an exact match
        CharSequence inputStr = "a b c";
        Matcher matcher = pattern.matcher(inputStr);
        boolean matchFound = matcher.matches();

        // Try a different input
        matcher.reset("b");
        matchFound = matcher.matches();

        // Determine if pattern matches beginning of input
        matchFound = matcher.lookingAt();

    }
}