使手机号中间四位为*号

 方法函数:

function maskPhoneNumber(phoneNumber) {
  return phoneNumber.replace(/(\d{3})\d{4}(\d{4})/, '$1****$2');
}

测试: 

console.log(maskPhoneNumber('13512345678')); // 输出:135****5678

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转载自blog.csdn.net/Blue54/article/details/129789244