Run an online example of this feature: Run Customize Data Field Validation.
执行这项功能的线上范例: 执行自订资料栏位验证 (英文)。
You can use more than one validation tag per field.
您可以对每个字段使用多个validation标签。
The field under validation must be numeric and must have an exact length of value.
验证此规则的值必须是一个整数。
The field under validation must be numeric and must have an exact length of value.
验证此规则的值必须是一个整数。
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