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SwapCaseII.js
146 lines (104 loc) · 3.29 KB
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SwapCaseII.js
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/*
Using the JavaScript language, have the function SwapII(str) take the
str parameter and swap the case of each character. Then, if a letter
is between two numbers (without separation), switch the places of
the two numbers. For example: if str is "6Hello4 -8World, 7 yes3" the
output should be 4hELLO6 -8wORLD, 7 YES3.
*/
function SwapII(str) {
var strArr = str.split('');
var numAndLetter = false;
var letterAndNum = false;
var onlyLetters = true;
var objectAdd = 0;
var addedObj = true;
var sawNumber = false;
var sawSecondNumber = false;
var numAndLetterObj = {};
for (i = 0; i < strArr.length; i++){
console.log("i: " + i);
strArr[i] = String(strArr[i]);
if (strArr[i].match(/[ ]/)) {
onlyLetters = false;
strArr[i] = " ";
}
if (strArr[i].match(/[a-z]/)){
strArr[i] = strArr[i].toUpperCase();
} else {
strArr[i] = strArr[i].toLowerCase();
}
if (!strArr[i].match(/[a-zA-Z0-9]/)) {
onlyLetters = false;
}
if (strArr[i].match(/[0-9]/)){
if (sawNumber) {
sawSecondNumber = true;
} else {
sawNumber = true;
}
}
if (strArr[i+1] != undefined){
if (strArr[i].match(/[0-9]/) && strArr[i+1].match(/[a-zA-Z]/)) {
numAndLetter = true;
if (sawNumber && sawSecondNumber){
objectAdd = 0;
sawSecondNumber = false;
}
numAndLetterObj[objectAdd] = { 'number': strArr[i], 'ind': i };
objectAdd++;
var onlyLetters = true;
hitNumber = true;
sawNumber = false;
console.log(numAndLetterObj);
console.log("sawNumber: " + sawNumber);
console.log("sawSecondNumber: " + sawSecondNumber);
} else if (strArr[i].match(/[0-9]/) && strArr[i-1].match(/[a-zA-Z]/)){
letterAndNum = true;
numAndLetterObj[objectAdd] = { 'number': strArr[i], 'ind': i };
objectAdd++;
console.log(numAndLetterObj);
sawSecondNumber = false;
}
}
if ((strArr[i+1] == undefined) && strArr[i].match(/[0-9]/)){
console.log('here');
if (sawNumber && sawSecondNumber){
objectAdd = 0;
sawSecondNumber = false;
}
numAndLetterObj[objectAdd] = { 'number': strArr[i], 'ind': i };
objectAdd++;
var onlyLetters = true;
hitNumber = true;
sawNumber = false;
console.log(numAndLetterObj);
console.log("sawNumber: " + sawNumber);
console.log("sawSecondNumber: " + sawSecondNumber);
}
if (numAndLetterObj[0] != undefined && numAndLetterObj[1] != undefined) {
strArr[parseInt(numAndLetterObj[0].ind)] = parseInt(numAndLetterObj[1].number);
strArr[parseInt(numAndLetterObj[1].ind)] = parseInt(numAndLetterObj[0].number);
strArr[parseInt(numAndLetterObj[0].ind)] = String(strArr[parseInt(numAndLetterObj[0].ind)]);
strArr[parseInt(numAndLetterObj[1].ind)] = String(strArr[parseInt(numAndLetterObj[1].ind)]);
delete numAndLetterObj[0];
delete numAndLetterObj[1];
numAndLetter = false;
numAndLetter = false;
objectAdd = 0;
sawNumber = false;
sawSecondNumber = false;
}
console.log("objectAdd: " + objectAdd);
}
strStr = strArr.join('');
return strStr;
}
//SwapII("2S 6 du5d4e");
//SwapII("Hello -5LOL6");
//SwapII("He34lo7 -5LOL689");
//SwapII("COMM2a2");
//SwapII("abcdE 8numbers2");
//SwapII("l2et5ter");
//SwapII("yolO11");
SwapII("123gg" + "))((");
//indicate when having seen a number, no interruption before seeing another number