'Rule based number format - Indian currency

http://icu-project.org/apiref/icu4j/com/ibm/icu/text/RuleBasedNumberFormat.html

Using the above class, 

def format = new RuleBasedNumberFormat(new Locale("en", "in"), RuleBasedNumberFormat.SPELLOUT)
format.format(value)

for ₹ 9,00,000 value, it shows nine hundred thousand . But we have to show nine lakhs. How to do this?

javagroovyicu


Solution 1:[1]

I dont think you will get that. As per the javadoc, this is the nomenclature they have... beyond thousand

 1,000,000: << million[ >>];
 1,000,000,000: << billion[ >>];
 1,000,000,000,000: << trillion[ >>];
 1,000,000,000,000,000: OUT OF RANGE!;

IMHO, you need to write custom logic. For e.g replace all "hundrend thousand" with lakh

Solution 2:[2]

import com.ibm.icu.text.NumberFormat;
import com.ibm.icu.text.RuleBasedNumberFormat;

public class StringDisplayUtils {


        public static String toWords(Double num) {
            return ((NumberFormat) (new RuleBasedNumberFormat(String.join("\n",
                        "Zero;One;Two;Three;Four;Five;Six;Seven;Eight;Nine;Ten;",
                        "Eleven;Twelve;Thirteen;Fourteen;Fifteen;Sixteen;Seventeen;Eighteen;Nineteen;",
                        "20: Twenty[ >>];",
                        "30: Thirty[ >>];",
                        "40: Forty[ >>];",
                        "50: Fifty[ >>];",
                        "60: Sixty[ >>];",
                        "70: Seventy[ >>];",
                        "80: Eighty[ >>];",
                        "90: Ninety[ >>];",
                        "1,00: << Hundred[ >>];",
                        "1,000: << Thousand[ >>];",
                        "1,000,00: << Lakh[ >>];",
                        "1,000,00,00: << Crore[ >>];",
                        "1,000,00,00,000,00,00,00: OUT OF RANGE!;"
                    )))).format(num);
        }
}

this might help!

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Hirak
Solution 2

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