40 lines
1.1 KiB
C#
40 lines
1.1 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Globalization;
|
|
using System.Windows.Controls;
|
|
using System.Text.RegularExpressions;
|
|
|
|
namespace Aitex.Core.UI.ValidationRules
|
|
{
|
|
/// <summary>
|
|
/// Validate user name
|
|
/// </summary>
|
|
public class ValidateUserName : ValidationRule
|
|
{
|
|
/// <summary>
|
|
/// Implement the rule that validates user name.
|
|
/// </summary>
|
|
/// <param name="value"></param>
|
|
/// <param name="cultureInfo"></param>
|
|
/// <returns></returns>
|
|
public override ValidationResult Validate(object value, CultureInfo cultureInfo)
|
|
{
|
|
var userName = (string)value;
|
|
|
|
// Unicode编码中的汉字范围是/^[\u2E80-\u9FFF]+$/
|
|
var pattern = @"[a-zA-Z_\u2E80-\u9FFF]{1}[\w\u2E80-\u9FFF]{0,7}";
|
|
|
|
var match = Regex.Match(userName, pattern);
|
|
|
|
if (match.Value.Equals(userName))
|
|
{
|
|
return new ValidationResult(true, null);
|
|
}
|
|
|
|
return new ValidationResult(false, "Invalid user name");
|
|
}
|
|
}
|
|
}
|