Matcher match
import java.util.regex.Matcher; import java.util.regex.Pattern; public class MatcherMatchesExample { public static void main(String args[]) { Pattern p = Pattern.compile("J2SE"); String candidateString_1 = "j2se"; String candidateString_2 = "J2SE "; String candidateString_3 = "J2SE2s"; Matcher matcher_1 = p.matcher(candidateString_1); Matcher matcher_2 = p.matcher(candidateString_2); Matcher matcher_3 = p.matcher(candidateString_3); String msg = ":" + candidateString_1 + ": matches?: "; System.out.println(msg + matcher_1.matches()); msg = ":" + candidateString_2 + ": matches?: "; System.out.println(msg + matcher_2.matches()); msg = ":" + candidateString_3 + ": matches?: "; System.out.println(msg + matcher_3.matches()); } }