uppercase
/[A-Z]/ : 'must contain one uppercase' /([a-z])/ : 'must contain one lowercase' /(\d)/ : 'must contain one number' /(\W)/ : 'must contain one special character'
uppercase letter
using System; public class Demo { public static void Main(){ bool res; char val = 'H'; Console.WriteLine("Value = "+val); res = Char.IsUpper(val); Console.WriteLine("Is the value an uppercae letter? = "+res); } }
Source: www.tutorialspoint.com
UpperCase
public class Test { public static void main(String args[]) { System.out.println(Character.isUpperCase('c')); System.out.println(Character.isUpperCase('C')); System.out.println(Character.isUpperCase('\n')); System.out.println(Character.isUpperCase('\t')); } }
Source: www.tutorialspoint.com