添加Renard小程序

renard-wx/utils/check.js

+function isValidPhone(str) {
+  var myreg = /^[1][3,4,5,7,8][0-9]{9}$/;
+  if (!myreg.test(str)) {
+    return false;
+  } else {
+    return true;
+  }
+}  
+
+module.exports = {
+  isValidPhone
+}
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