经常使用正则表达式验证

rules: [{
          required: true,
          message: '请填写水域面积，应为大于 0 的整数，而且最大长度不能超过 13 位!'
        },
          {
            pattern: /^(([1-9][0-9]*)|([0]\.\d{0,2}|[1-9][0-9]*\.\d{0,2}))$/,
            message: '请输入正整数!'
          }
        ]

                 pattern: /^(([1-9][0-9]*)|([0]\.\d{0,2}|[1-9][0-9]*\.\d{0,2}))$/,
          message: '请填写宽度，保留一位小数而且最大长度不能超过15位!'

                        regionPeople: {
        rules: [{
          required: true,
          message: '请填写常住人口，应为大于 0 的整数，而且最大长度不能超过 13 位!'
        },
          {
            pattern: /^[+]{0,1}(\d+)$/,
            message: '请输入正整数!'
          }
        ]
      },

                  pattern: /^1[3456789]\d{9}$/,
            message: '请填写正确的联系电话!'

                            pattern: /^(([1-9][0-9]*)|([0]\.\d{0,2}|[1-9][0-9]*\.\d{0,2}))$/,
            message: '保留两位小数!'

                             {pattern: /^0\d{2,3}-[1-9]\d{6,7}$/, message: '请输入正确的座机号码'},

---

rules: [{
          required: true, message: '请输入用户帐号!'
        }, {
            validator: this.validateUsername,
        }]

                          validateUsername(rule, value, callback) {
                                                    var params = {
                                                        tableName: '',
                                                        fieldName: 'username',
                                                        fieldVal: value,
                                                        dataId: this.userId
                                                    };
                                                    getAction("/sys/duplicate/checkUserName",params).then((res) => {
                                                        if (res.success) {
                                                            callback()
                                                        } else {
                                                            callback("用户名已存在!")
                                                        }
                                                    })
                                                },

---

rules: [{
required: true,
pattern: /[a-zA-Z0-9]{6,16}$/,
message: '密码由长度6到16位的字母或者数字组成!'
}, {
validator: this.validateToNextPassword,
}],

validateToNextPassword(rule, value, callback) {
const form = this.form;
const confirmpassword = form.getFieldValue('confirmpassword');

if (value && confirmpassword && value !== confirmpassword) {
      callback('两次输入的密码不同！');
    }
    if (value && this.confirmDirty) {
      form.validateFields(['confirm'], {force: true})
    }
    callback();
  },

---

rules: [{
required: true, message: '请从新输入登录密码!',
}, {
validator: this.compareToFirstPassword,
}],

compareToFirstPassword(rule, value, callback) {
const form = this.form;
if (value && value !== form.getFieldValue('password')) {
callback('两次输入的密码不同！');
} else {
callback()
}
},

---

validatePhone(rule, value, callback) {
if (!value) {
callback()
} else {
//update-begin--Author:kangxiaolin Date:20190826 for：[05] 手机号不支持199号码段--------------------
if (new RegExp(/^1[3|4|5|6|7|8|9][0-9]\d{8}$/).test(value)) {
//update-end--Author:kangxiaolin Date:20190826 for：[05] 手机号不支持199号码段--------------------

var params = {
          tableName: '',
          fieldName: 'phone',
          fieldVal: value,
          dataId: this.userId
        };
        getAction("/sys/duplicate/checkUserPhone",params).then((res) => {
          if (res.success) {
            callback()
          } else {
            callback("手机号已存在!")
          }
        })
      } else {
        callback("请输入正确格式的手机号码!");
      }
    }
  },