问印度编号系统-转换为正式和通用的编号系统字/字符串

EN

integerToWordsInd("2222300000"));       // Two hundred Twenty-Two Crore, Twenty-Three Lakh

integerToWordsInd ("2222300000",true);  // Two Arab Twenty-Two Crore Twenty-Three Lakh

numberCurrencyIn(3002900000.50);         //Three Hundred Crore, Twenty-Nine Lakh Rupees and Fifty Paisa

// or

numberCurrencyIn(3002900000.50,true);    // Three Arab Twenty-Nine Lakh Rupees and Fifty Paisa

Num = ("0".repeat(6*(Num+="").length % 7) +Num).match(/.{7}/g);

Num = Num> 999 ? [...(Num.slice(0,-3).match(/.{2}/g).map(e => "0"+e)),(Num.slice(-3))] :
                  [("00"+Num).substr(-3)];

/*********************************************************************
* @function    : integerToWordsInd()
* @purpose     : Converts Unsigned Integers to Indian Numeral Words
*                With options for either the Official or the
*                Crore-Lakh Counting Systems
* @version     : 1.00
* @author      : Mohsen Alyafei
* @date        : 07 July 2020
* @param       : {number} [integer numeric or string]
* @param       : Optional {boolean} [Official]
*                      0     = Use Crore-Lakh Counting System (default)
*                      Non 0 = Use the Official System
* @returns     : {string} The wordified number string
**********************************************************************/
var Table_0_19 = ["","One","Two","Three","Four","Five","Six","Seven","Eight","Nine","Ten","Eleven","Twelve","Thirteen","Fourteen","Fifteen","Sixteen","Seventeen","Eighteen","Nineteen"],
    Table_20_90= ["","","Twenty","Thirty","Forty","Fifty","Sixty","Seventy","Eighty","Ninety"],
    Table_Scale= ["","Thousand","Lakh","Crore","Arab","Kharab","Neel","Padma","Shankh","Samudra","Antya","Madhyam","Paraardh","***","***"];
//===================================================================
function integerToWordsInd(Num=0 , Official=0) {
if (Num===0) return "Zero";
if (Official) return Siptlets(Num);                   // Return Official Numbering System text
let NumWords="";
Num = ("0".repeat(6*(Num+="").length % 7) +Num).match(/.{7}/g); // Create Siptlets Array
return Num.map((Siptlet, ScalePos) => {               // Return Commmon-Use Numbering System text
  let [Scale,SWords] = [(Table_Scale[3]+" ").repeat(Num.length-ScalePos-1).trimRight(), Siptlets(Siptlet)];
  NumWords +=(NumWords && SWords ? ", " : "") +SWords +(Scale ? " " : "") +Scale;
}), NumWords;
//===================================================================
function Siptlets(Num, NumWords="") {                 // Core function (Called for both Systems)
(Num+="").length-3 & 1 && (Num="0"+Num);
Num = Num> 999 ? [...Num.slice(0,-3).match(/.{2}/g).map(e => "0"+e),(Num.slice(-3))]:[("00"+Num).substr(-3)];
return Num.map((Duplet,ScalePos) => {if (+Duplet) {
let [Hyphen,Hundreds,Tens,Scale] = [+Duplet[2] ? "-" : "",+Duplet[0],+Duplet.substr(1),Table_Scale[Num.length-ScalePos-1]];
NumWords  += (NumWords          ? " " : "") + (Hundreds ? Table_0_19[Hundreds] + " Hundred" :"") +
             (Hundreds && Tens  ? " " : "") + (Tens< 20 ? Table_0_19[Tens] :
             Table_20_90[+(Duplet[1])]      + Hyphen    + Table_0_19[+Duplet[2]]);
NumWords  += (NumWords && Scale ? " " : "") + Scale;
}}), NumWords;}
}
//===================================================================




//===================================================================
//      Extra Function if needed for Indian Currency
// Uses same input parameters as the above main function
//===================================================================
function numberCurrencyIn(Num=0 , Official=0) {
let n= (Num+"").split(0.1.toLocaleString().substr(1,1)); // Number and Fraction parts
n.length!==2 && (n[1]= ""); // No fraction
Num= n[0];
let Nw="", Fw="", Frc = (n[1]+"00").substring(0,2); // Limit to 2 Decimal Places
Num && (Nw= integerToWordsInd(Num,Official));       // Convert the Whole Number
Frc && (Fw= integerToWordsInd(Frc,Official));       // Convert the Fractional Part
return (Nw ? Nw:"") + (Nw ? " Rupees":"") + (Nw && Fw ? " and ":"") + (Fw ? Fw+" Paisa":""); // Join together
}
//===================================================================



//===================================================================
//                     Test Cases
//===================================================================
// 1. Test Numbers under Common-Use Numbering System
//===================================================================
var r=0; // test tracker
r |= testN(50,"Fifty");
r |= testN(12000,"Twelve Thousand");
r |= testN(777000,"Seven Lakh Seventy-Seven Thousand");
r |= testN(550001,"Five Lakh Fifty Thousand One");
r |= testN(12345678,"One Crore, Twenty-Three Lakh Forty-Five Thousand Six Hundred Seventy-Eight");
r |= testN(123456789,"Twelve Crore, Thirty-Four Lakh Fifty-Six Thousand Seven Hundred Eighty-Nine");
r |= testN(1234567890,"One Hundred Twenty-Three Crore, Forty-Five Lakh Sixty-Seven Thousand Eight Hundred Ninety");
r |= testN(12345678900,"One Thousand Two Hundred Thirty-Four Crore, Fifty-Six Lakh Seventy-Eight Thousand Nine Hundred");
if (r==0) console.log("Test Case 1 Numbers (Common-Use Numbering System) Passed.");
//===================================================================
// 2. Test Numbers under Official Numbering System
//===================================================================
var r=0; // test tracker
r |= testN(50,"Fifty");
r |= testN(12000,"Twelve Thousand",true);
r |= testN(777000,"Seven Lakh Seventy-Seven Thousand",true);
r |= testN(550001,"Five Lakh Fifty Thousand One",true);
r |= testN(12345678,"One Crore Twenty-Three Lakh Forty-Five Thousand Six Hundred Seventy-Eight",true);
r |= testN(123456789,"Twelve Crore Thirty-Four Lakh Fifty-Six Thousand Seven Hundred Eighty-Nine",true);
r |= testN(1234567890,"One Arab Twenty-Three Crore Forty-Five Lakh Sixty-Seven Thousand Eight Hundred Ninety",true);
r |= testN(12345678900,"Twelve Arab Thirty-Four Crore Fifty-Six Lakh Seventy-Eight Thousand Nine Hundred",true);
if (r==0) console.log("Test Case 2 Numbers (Official Numbering System) Passed.");
//===================================================================
// 3. Test Currency under Common-Use Numbering System
//===================================================================
var r=0; // test tracker
r |= testC(1,"One Rupees");
r |= testC(2.0,"Two Rupees");
r |= testC(2.01,"Two Rupees and One Paisa");
r |= testC(0.3,"Thirty Paisa");
r |= testC(.3,"Thirty Paisa");
r |= testC(3002900000.50,"Three Hundred Crore, Twenty-Nine Lakh Rupees and Fifty Paisa");
r |= testC(220000,"Two Lakh Twenty Thousand Rupees");
if (r==0) console.log("Test Case 3 Currency (Common-Use Numbering System) Passed.");
//===================================================================
// 4. Test Currency under Official Numbering System
//===================================================================
var r=0; // test tracker
r |= testC(3002900000.50,"Three Arab Twenty-Nine Lakh Rupees and Fifty Paisa",true);
r |= testC(55000000000,"Fifty-Five Arab Rupees",true);
if (r==0) console.log("Test Case 4 Currency (Official Numbering System) Passed.");
//===================================================================
function testN(n,tobe,f) {let r = integerToWordsInd(n,f);
if (r !== tobe) {console.log(`${n} Output   : ${r}\n${n} Should be: ${tobe}`);return 1;}}
function testC(n,tobe,f) {let r = numberCurrencyIn(n,f);
if (r !== tobe) {console.log(`${n} Output   : ${r}\n${n} Should be: ${tobe}`);return 1;}}