function replaceOddNumbersWithRR(str) {
// Use a regular expression to find all odd numbers (\d*[13579]\d*) in the string
// and replace them with the text "rr"
return str.replace(/\b\d*[13579]\d*\b/g, "rr");
}
// Test the function
var input = "I have 12 cars, 11 of which are 89 years old";
var result = replaceOddNumbersWithRR(input);
console.log(result); // Outputs: "I have 12 cars, rr of which are rr years old"
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