Core Java Programming: Indian currency format

public class Test {          public static String inidianCurrencyFormat(double value) {         DecimalFormat formatter = new DecimalFormat("0.00");         String formattedValue = formatter.format(value);         String integral = formattedValue.replaceAll("\\D\\d++", "");         String fraction = formattedValue.replaceAll("\\d++\\D", "");         if(integral.length() <= 3) return formattedValue;         char lastDigitOfIntegral = integral.charAt(integral.length()-1);         integral = integral.replaceAll("\\d$", "");         return integral.replaceAll("(?<=.)(?=(?:\\d{2})+$)", ",")+                 lastDigitOfIntegral+"."+fraction;     }          public static void main(String[] args){         System.out.println(inidianCurrencyFormat(0.898));         System.out.println(inidianCurrencyFormat(890.898));         System.out.println(inidianCurrencyFormat(567890.898));         System.out.println(inidianCurrencyFormat(1234567890.898));     } }