1、hidePhone(隐藏手机信息)；2、isMobile(判断是否是手机号)

lib/utils/string_util.dart

 import 'package:flutter/material.dart';
+import 'package:flutter_clx_base/flutter_clx_base.dart';
 
 bool isNullOrEmpty(String? txt) {
   return txt == null || txt.isEmpty;
 }
 
-bool isMobile(String? mobile) {
-  return !isNullOrEmpty(mobile) &&
-      mobile!.length == 11 &&
-      mobile.startsWith("1");
-}
-
 ///判断文字是否为空
 String txtIsNull(txt, {nullTxt = "-"}) {
   if (txt == null || txt == "") {
@@ -121,3 +116,17 @@ bool checkPwdRuleDriver(String pwd){
 regexEmoji() {
   return "[^\\u0020-\\u007E\\u00A0-\\u00BE\\u2E80-\\uA4CF\\uF900-\\uFAFF\\uFE30-\\uFE4F\\uFF00-\\uFFEF\\u0080-\\u009F\\u2000-\\u201f\r\n]";
 }
+
+/// 隐藏手机信息
+String hidePhone(String? phone) {
+  return !phone.isNullOrEmpty()
+      ? phone!.replaceFirst(RegExp(r'\d{4}'), '****', 3)
+      : "";
+}
+
+/// 判断是否是手机
+bool isMobile(String? phone) {
+  RegExp exp = RegExp(r'^1[0-9]{10}');
+  bool matched = exp.hasMatch(phone!);
+  return matched;
+}
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