Java Regex Number Validate isNumber(String str)

Here you can find the source of isNumber(String str)

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Description

is Number

License

Open Source License

Declaration 

public static boolean isNumber(String str)

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {

    public static boolean isNumber(String str) {
        java.util.regex.Pattern pattern = java.util.regex.Pattern.compile("[0-9]*");
        java.util.regex.Matcher match = pattern.matcher(str);
        return match.matches();
        //      if (match.matches() == false) {
        //         return false;
        //      }
        ////ww w.java2  s .c  om
        //      return true;
    }
}

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  8. isNumber(String str, String sign)
  9. isNumber(String value)