javascript正则表达式,介于0到100之间的百分比

/^([1-9]?\d(\.\d{1,2})?|100)%$/

const regex = /^([1-9]?\d(\.\d{1,2})?|100)%$/;

console.log(regex.test('50%')); // true
console.log(regex.test('100%')); // true
console.log(regex.test('0.5%')); // true
console.log(regex.test('100.01%')); // false
console.log(regex.test('101%')); // false