Validation with Pattern and Matcher : Validation « Regular Expressions « Java

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Java » Regular Expressions » Validation Screenshots  Validation with Pattern and Matcher   import java.util.regex.Matcher; import java.util.regex.Pattern; import java.util.regex.PatternSyntaxException; public class ValidationTestWithPatternAndMatcher {   public static void main(String args[]) {     Pattern p = null;     try {       p = Pattern.compile("Java \\d");     } catch (PatternSyntaxException pex) {       pex.printStackTrace();       System.exit(0);     }     String candidate = "I love Java 5";     Matcher m = p.matcher(candidate);     System.out.println("result=" + m.find());   } }                          Related examples in the same category 1.  Find duplication 2.  Simplest validation 3.  Perform credit card validations.