cyf
57 lines
2.0 KiB
C#
57 lines
2.0 KiB
C#
using System;
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using System.Text.RegularExpressions;
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namespace Zhaizj.Framework {
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/// <summary>
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/// 封装了几个常用的正则表达式
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/// </summary>
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public class RegPattern {
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//public static readonly String Email = @"\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*";
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/// <summary>
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/// 网址的正则表达式
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/// </summary>
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//public static readonly String Url = @"^http\://[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(/\S*)?$";
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public static readonly string Url = @"^(ht|f)tp(s?)\:\/\/[0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*(:(0-9)*)*(\/?)([a-zA-Z0-9\-\.\?\,\'\/\\\+&%\$#_]*)?$";
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// http://msdn.microsoft.com/en-us/library/ms998267.aspx
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/// <summary>
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/// email 正则表达式
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/// </summary>
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public static readonly String Email = @"^(?("")("".+?""@)|(([0-9a-zA-Z]((\.(?!\.))|[-!#\$%&'\*\+/=\?\^`\{\}\|~\w])*)(?<=[0-9a-zA-Z])@))(?(\[)(\[(\d{1,3}\.){3}\d{1,3}\])|(([0-9a-zA-Z][-\w]*[0-9a-zA-Z]\.)+[a-zA-Z]{2,6}))$";
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//public static readonly String Url = @"^(ht|f)tp(s?)\:\/\/[0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*(:(0-9)*)*(\/?)([a-zA-Z0-9\-\.\?\,\'\/\\\+&%\$#_]*)?$";
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/// <summary>
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/// 货币值(小数)的正则表达式
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/// </summary>
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public static readonly String Currency = @"^\d+(\.\d\d)?$"; //1.00
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/// <summary>
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/// (负数)货币值(小数)的正则表达式
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/// </summary>
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public static readonly String NegativeCurrency = @"^(-)?\d+(\.\d\d)?$"; //-1.20
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/// <summary>
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/// html 页面中图片的正则表达式，获取<img src="" /> 的src部分
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/// </summary>
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public static readonly String Img = "(?<=<img.+?src\\s*?=\\s*?\"?)([^\\s\"]+?)(?=[\\s\"])";
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/// <summary>
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/// 检查 input 字符串是否和指定的正则表达式匹配
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/// </summary>
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/// <param name="input">需要检查的字符串</param>
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/// <param name="pattern">正则表达式</param>
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/// <returns></returns>
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public static Boolean IsMatch( String input, String pattern ) {
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return Regex.IsMatch( input, pattern);
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}
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}
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}
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