Stripping characters from user input

How would I change the following script to strip the following characters from the user input –

[code]$,.[/code]

[code]<!–Begin

function answer() {
var emptyPocketsOne = document.calc.regex.value.match(/Empty Pockets: (d*)/);
var usedPocketsOne = document.calc.regex.value.match(/Used Pockets: (d*)/);
var labSpaceOne = document.calc.regex.value.match(/Drug Lab Size: (d*)/);
var junkiesOne = document.calc.regex.value.match(/Working Junkies: (d*)/);
var junkiesTwo = document.calc.regex.value.match(/Training Junkies: (d*)/);
var totalJunkiesOne = parseInt(junkiesOne[1]) + parseInt(junkiesTwo[1]);
var coatOne = parseInt(usedPocketsOne[1]) + parseInt(emptyPocketsOne[1]);
var emptyPocketsTwo = document.calc.regex.value.match(/Empty Pockets: (d*)/);
var usedPocketsTwo = document.calc.regex.value.match(/Used Pockets: (d*)/);
var labSpaceTwo = document.calc.regex.value.match(/Drug Lab Size: (d*)/);
var junkiesThree = document.calc.regex.value.match(/Working Junkies: (d*)/);
var junkiesFour = document.calc.regex.value.match(/Training Junkies: (d*)/);
var totalJunkiesTwo = parseInt(junkiesThree[1]) + parseInt(junkiesFour[1]);
var coatTwo = parseInt(usedPocketsTwo[1]) + parseInt(emptyPocketsTwo[1]);

var resultOne = 0;
while (usedPocketsOne[1] > totalJunkiesOne – labSpaceOne[1] * 17) {
resultOne = resultOne + 1;
usedPocketsOne[1] = usedPocketsOne[1] – totalJunkiesOne + labSpaceOne[1] * 17;
totalJunkiesOne = totalJunkiesOne + 1;
}

var resultTwo = 0;
while (usedPocketsTwo[1] > totalJunkiesTwo – labSpaceTwo[1] * 17) {
resultTwo = resultTwo + 1;
usedPocketsTwo[1] = usedPocketsTwo[1] – totalJunkiesTwo + labSpaceTwo[1] * 17;
}

var visitsOne = document.calc.regex.value.match(/Dealer Visits Remaining: (d*)/);
if (visitsOne[1] == 0) {
resultOne = resultOne – 2;
usedPocketsOne[1] = usedPocketsOne[1] + 1;
}

var visitsTwo = document.calc.regex.value.match(/Dealer Visits Remaining: (d*)/);
if (visitsTwo[1] == 0) {
resultTwo = resultTwo – 2;
usedPocketsTwo[1] = usedPocketsTwo[1] + 1;
}

alert(resultOne);
}

// End–>[/code]

Thanks in advance ?

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