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