Js正则一行隐藏手机号mask phone number
// 隐藏手机号中间4为:
'18812345678'.replace(/(\d{3})(\d{4})/, '$1****')
结果: 188****5678
// 隐藏手机号末尾4为:
'18812345678'.replace(/(\d{4})$/, '****')
结果: 1881234****// 隐藏手机号中间4为:
'18812345678'.replace(/(\d{3})(\d{4})/, '$1****')
结果: 188****5678
// 隐藏手机号末尾4为:
'18812345678'.replace(/(\d{4})$/, '****')
结果: 1881234****