Android String to Number Convert isNumber(String str)

Description

is Number

Declaration

public static Boolean isNumber(String str) 

Method Source Code

//package com.java2s;

public class Main {

    public static Boolean isNumber(String str) {
        Boolean isNumber = false;
        String expr = "^[0-9]+$";
        if (str.matches(expr)) {
            isNumber = true;/*w  w  w.j  a  va2 s  . c o  m*/
        }
        return isNumber;
    }
}

Related

1. isNumeric(String string)
2. isLetterNumeric(String s)
3. isNumericOnly(String pString)
4. isNumeric(String str)
5. containsNonNumericCharacters(String rawInput)
6. isNumberLetter(String str)
7. isStringNumber(String number)
8. isStringNumberLessThan(String number, int compareInt)