/**
 * Checks if the handle is valid.
 * @param {string} handle - The handle to be validated.
 * @returns {boolean} - Returns true if the handle is valid, otherwise returns false.
 */
export function isValidHandle(handle) {
	// Length must be between 3 and 32 characters
	if (handle.length < 3 || handle.length > 32) {
		return false;
	}

	// Uses regular expression to validate if the handle consists of 26 letters (case-insensitive), underscores, and digits.
	const regex = /^[a-zA-Z0-9_]+$/;
	return regex.test(handle);
}