JavaScrip实现: phone.replace(/^(\d{3})\d{4}(\d{4})$/,\'$1****$2’); ‘18766350275’.replace(/^(\d{3})\d{4}(\d{4})$/,\'$1****$2\') 效果:18766350275 java 实现 mobile.replaceAll("(\\d{3})\\d{4}(\\d{4})", "$1****$2"); 相关文章: