手机号 邮箱 格式验证

rules: { phone: [ { required: true, message: '请输入手机号', trigger: 'blur' }, { validator: this.validatePhone, trigger: 'blur' } ] }

validatePhone(rule, value, callback) {
      const reg = /^1[3-9]\d{9}$/;
      if (!value) {
        callback(new Error('请输入手机号'));
      } else if (!reg.test(value)) {
        callback(new Error('请输入正确的手机号'));
      } else {
        callback();
      }
},

rules: { email: [ { required: true, message: '请输入邮箱', trigger: 'blur' }, { validator: this.validateEmail, trigger: 'blur' } ] }

validateEmail(rule, value, callback) {
      // Email正则表达式
      const reg = /^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/;
      if (!value) {
        callback(new Error('请输入邮箱'));
      } else if (!reg.test(value)) {
        callback(new Error('请输入正确的邮箱地址'));
      } else {
        callback();
      }
    },

完整代码：

<template>
  <el-form :model="formData" :rules="rules" ref="form" label-width="100px">
    <el-form-item label="邮箱" prop="email">
      <el-input v-model="formData.email" clearable></el-input>
    </el-form-item>
    <el-form-item>
      <el-button type="primary" @click="submitForm('form')">提交</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
export default {
  data() {
    return {
      formData: {
        email: ''
      },
      rules: {
        email: [
          { validator: this.validateEmail, trigger: 'blur' }
        ]
      }
    };
  },
  methods: {
    validateEmail(rule, value, callback) {
      if (value && value.trim() !== '') {
        // Email正则表达式
        const reg = /^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/;
        if (!reg.test(value)) {
          callback(new Error('请输入正确的邮箱地址'));
        } else {
          callback();
        }
      } else {
        // 不填写邮箱时不进行验证，直接通过
        callback();
      }
    },
    submitForm(formName) {
      this.$refs[formName].validate(valid => {
        if (valid) {
          // 表单验证通过，可以提交表单
          console.log('提交表单');
        } else {
          // 表单验证不通过
          console.log('表单验证不通过');
          return false;
        }
      });
    }
  }
};
</script>