[Typescript] Random string function

random-string.ts

function generateRandomString(length: number): string {
    // Define the character set using a regular expression
    const characterSet = /[a-zA-Z0-9]/;
    
    let result = '';
    for (let i = 0; i < length; i++) {
        // Generate a random character from the character set
        const randomChar = String.fromCharCode(Math.floor(Math.random() * 62) + 48);
        result += randomChar;
    }
    return result;
}