代码： pattern: /^1[3456789]\d{9}$/

1.

 <a-form-item label="原手机号"   v-bind="validateInfos.contactTel"><a-inputstyle="width: 600px"allow-clear:maxlength="20"placeholder="请输入原手机号"v-model:value="form.contactTel"/></a-form-item></a-col>

2.

const rules = reactive({contactTel: [{required: true,message: '请输入正确的原手机号',type: 'string',pattern: /^1[3456789]\d{9}$/,trigger: 'blur'}],iphone: [{required: true,message: '请输入正确的现手机号',type: 'string',pattern: /^1[3456789]\d{9}$/,trigger: 'blur'}]
});