一些常用的 正则表达式，区别于网上其他式子。

这是一个表达式练习/验证工具，顺便写入了我常用的一些式子。 ================================================================ using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.Text.RegularExpressions; namespace 正则表达式练习工具 { /// <summary> /// Form1 的摘要说明。 /// </summary> public class Form1 : System.Windows.Forms.Form {    private Hashtable ht = new Hashtable();    private System.Windows.Forms.GroupBox groupBox1;    private System.Windows.Forms.GroupBox groupBox2;    private System.Windows.Forms.Button btnPiPei;    private System.Windows.Forms.Button btnClose;    private System.Windows.Forms.Label label1;    private System.Windows.Forms.TextBox tbRegixContent;    private System.Windows.Forms.Label label2;    private System.Windows.Forms.TextBox tbResult;    private ArrayList al = new ArrayList();    private ArrayList al1 = new ArrayList();    private System.Windows.Forms.TextBox tbContents;    private System.Windows.Forms.TextBox tbResult1;    private System.Windows.Forms.ComboBox comboBox1;    /// <summary>    /// 必需的设计器变量。    /// </summary>    private System.ComponentModel.Container components = null;    public Form1()    {     //     // Windows 窗体设计器支持所必需的     //     InitializeComponent();     //     // TODO: 在 InitializeComponent 调用后添加任何构造函数代码     //    }    /// <summary>    /// 清理所有正在使用的资源。    /// </summary>    protected override void Dispose( bool disposing )    {     if( disposing )     {      if (components != null)      {       components.Dispose();      }     }     base.Dispose( disposing );    }    #region Windows 窗体设计器生成的代码    /// <summary>    /// 设计器支持所需的方法 - 不要使用代码编辑器修改    /// 此方法的内容。    /// </summary>    private void InitializeComponent()    {     System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));     this.groupBox1 = new System.Windows.Forms.GroupBox();     this.label2 = new System.Windows.Forms.Label();     this.tbContents = new System.Windows.Forms.TextBox();     this.tbRegixContent = new System.Windows.Forms.TextBox();     this.label1 = new System.Windows.Forms.Label();     this.groupBox2 = new System.Windows.Forms.GroupBox();     this.tbResult1 = new System.Windows.Forms.TextBox();     this.tbResult = new System.Windows.Forms.TextBox();     this.btnPiPei = new System.Windows.Forms.Button();     this.btnClose = new System.Windows.Forms.Button();     this.comboBox1 = new System.Windows.Forms.ComboBox();     this.groupBox1.SuspendLayout();     this.groupBox2.SuspendLayout();     this.SuspendLayout();     //     // groupBox1     //     this.groupBox1.Controls.Add(this.label2);     this.groupBox1.Controls.Add(this.tbContents);     this.groupBox1.Controls.Add(this.tbRegixContent);     this.groupBox1.Controls.Add(this.label1);     this.groupBox1.Location = new System.Drawing.Point(16, 8);     this.groupBox1.Name = "groupBox1";     this.groupBox1.Size = new System.Drawing.Size(536, 176);     this.groupBox1.TabIndex = 0;     this.groupBox1.TabStop = false;     this.groupBox1.Text = "输入";     //     // label2     //     this.label2.ForeColor = System.Drawing.Color.Brown;     this.label2.Location = new System.Drawing.Point(8, 72);     this.label2.Name = "label2";     this.label2.Size = new System.Drawing.Size(56, 23);     this.label2.TabIndex = 3;     this.label2.Text = "输入内容";     //     // tbContents     //     this.tbContents.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));     this.tbContents.ForeColor = System.Drawing.Color.Brown;     this.tbContents.Location = new System.Drawing.Point(64, 63);     this.tbContents.Multiline = true;     this.tbContents.Name = "tbContents";     this.tbContents.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;     this.tbContents.Size = new System.Drawing.Size(464, 97);     this.tbContents.TabIndex = 2;     this.tbContents.Text = "";     //     // tbRegixContent     //     this.tbRegixContent.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));     this.tbRegixContent.ForeColor = System.Drawing.Color.Brown;     this.tbRegixContent.Location = new System.Drawing.Point(64, 24);     this.tbRegixContent.Name = "tbRegixContent";     this.tbRegixContent.Size = new System.Drawing.Size(464, 26);     this.tbRegixContent.TabIndex = 1;     this.tbRegixContent.Text = "";     //     // label1     //     this.label1.ForeColor = System.Drawing.Color.Brown;     this.label1.Location = new System.Drawing.Point(8, 32);     this.label1.Name = "label1";     this.label1.Size = new System.Drawing.Size(56, 23);     this.label1.TabIndex = 0;     this.label1.Text = "表达式";     //     // groupBox2     //     this.groupBox2.Controls.Add(this.tbResult1);     this.groupBox2.Controls.Add(this.tbResult);     this.groupBox2.Location = new System.Drawing.Point(16, 184);     this.groupBox2.Name = "groupBox2";     this.groupBox2.Size = new System.Drawing.Size(536, 248);     this.groupBox2.TabIndex = 1;     this.groupBox2.TabStop = false;     this.groupBox2.Text = "输出";     //     // tbResult1     //     this.tbResult1.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));     this.tbResult1.ForeColor = System.Drawing.Color.Brown;     this.tbResult1.Location = new System.Drawing.Point(0, 136);     this.tbResult1.Multiline = true;     this.tbResult1.Name = "tbResult1";     this.tbResult1.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;     this.tbResult1.Size = new System.Drawing.Size(536, 104);     this.tbResult1.TabIndex = 4;     this.tbResult1.Text = "";     //     // tbResult     //     this.tbResult.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));     this.tbResult.ForeColor = System.Drawing.Color.Brown;     this.tbResult.Location = new System.Drawing.Point(3, 17);     this.tbResult.Multiline = true;     this.tbResult.Name = "tbResult";     this.tbResult.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;     this.tbResult.Size = new System.Drawing.Size(530, 116);     this.tbResult.TabIndex = 3;     this.tbResult.Text = "";     //     // btnPiPei     //     this.btnPiPei.FlatStyle = System.Windows.Forms.FlatStyle.System;     this.btnPiPei.Location = new System.Drawing.Point(56, 448);     this.btnPiPei.Name = "btnPiPei";     this.btnPiPei.Size = new System.Drawing.Size(128, 32);     this.btnPiPei.TabIndex = 2;     this.btnPiPei.Text = "匹 配 (&P)";     this.btnPiPei.Click += new System.EventHandler(this.btnPiPei_Click);     //     // btnClose     //     this.btnClose.FlatStyle = System.Windows.Forms.FlatStyle.System;     this.btnClose.Location = new System.Drawing.Point(208, 448);     this.btnClose.Name = "btnClose";     this.btnClose.Size = new System.Drawing.Size(136, 32);     this.btnClose.TabIndex = 3;     this.btnClose.Text = "关 闭 (&C)";     this.btnClose.Click += new System.EventHandler(this.btnClose_Click);     //     // comboBox1     //     this.comboBox1.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));     this.comboBox1.Location = new System.Drawing.Point(368, 456);     this.comboBox1.Name = "comboBox1";     this.comboBox1.Size = new System.Drawing.Size(184, 24);     this.comboBox1.TabIndex = 4;     this.comboBox1.Text = "comboBox1";     this.comboBox1.SelectedIndexChanged += new System.EventHandler(this.comboBox1_SelectedIndexChanged);     //     // Form1     //     this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);     this.ClientSize = new System.Drawing.Size(570, 496);     this.Controls.Add(this.comboBox1);     this.Controls.Add(this.btnClose);     this.Controls.Add(this.btnPiPei);     this.Controls.Add(this.groupBox2);     this.Controls.Add(this.groupBox1);     this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;     this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));     this.Name = "Form1";     this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;     this.Text = "正则表达式练习工具 V1.0 BY THUNDERS STUDIO";     this.Load += new System.EventHandler(this.Form1_Load);     this.groupBox1.ResumeLayout(false);     this.groupBox2.ResumeLayout(false);     this.ResumeLayout(false);    }    #endregion    /// <summary>    /// 应用程序的主入口点。    /// </summary>    [STAThread]    static void Main()    {     Application.EnableVisualStyles();     Application.Run(new Form1());    }    private void btnClose_Click(object sender, System.EventArgs e)    {     this.Close();    }    private void Regix(string RegixContect,string MainStr)    {     al.Clear();     al1.Clear();     Regex r;     Match m;     //返回汉字     r = new Regex(RegixContect,      RegexOptions.IgnoreCase|RegexOptions.Compiled);     for (m = r.Match(MainStr); m.Success; m = m.NextMatch())     {      if(m.Groups[0].Value.Trim() !="")          al.Add(m.Groups[0].Value);      if(m.Groups[1].Value.Trim() !="")       al1.Add(m.Groups[1].Value);     }    }    private void btnPiPei_Click(object sender, System.EventArgs e)    {     Hashtable ht;     try     {      tbResult.Text = "";      tbResult1.Text = "";      Regix(tbRegixContent.Text.Trim(),tbContents.Text.Trim());      if(al.Count ==0 || al1.Count ==0)       MessageBox.Show("匹配错误！");      else      {       for(int i=0;i<al.Count;i++)       {        tbResult.AppendText(al[i].ToString() + "\r\n");       }       tbResult.Refresh();       for(int i=0;i<al1.Count;i++)       {        tbResult1.AppendText(al1[i].ToString() + "\r\n");       }       tbResult.Refresh();       tbResult1.Refresh();      }     }     catch     {      MessageBox.Show("匹配错误！");     }    }    private void Form1_Load(object sender, System.EventArgs e)    {     ht.Add("脚本","(S|s)(r|R)(C|c)(|\\s*)=(|\\s*)(\"|\'|)(?:(?<1>\\S+)(\"|\')|(?<1>\\S+))");     ht.Add("超链","(h|H)(r|R)(e|E)(f|F)(|\\s*)=(|\\s*)(\"|\'|)(?:(?<1>\\S+)(\"|\')|(?<1>\\S+))");     ht.Add("邮件地址","(\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*.\\w+([-.]\\w+)*)");     ht.Add("图片链接","(S|s)(r|R)(C|c)(|\\s*)=(|\\s*)(\"|\'|)(?:(?<1>\\S+)(\"|\')|(?<1>\\S+))");     ht.Add("ip地址","(\\d+).(\\d+).(\\d+).(\\d+)");     ht.Add("中国手机号码","\\(86\\)*0*13\\d{9}");     ht.Add("中国固定电话号码","(\\d{3,4}(-| )\\d{7,8})");     ht.Add("包括移动和固定电话","((\\d{3,4})|\\d{3,4}-|\\s)?\\d{7,14}");     ht.Add("邮政编码","[0-9]{1}(\\d+){5}");     ht.Add("中国身份证号码","(\\d{18})|(\\d{15})");     ht.Add("整数","(\\d+)");     ht.Add("浮点数","(\\d+.\\d+)");     ht.Add("任何数字","(-?\\d*)(.\\d+)?");     ht.Add("中文字符串","([\\u4e00-\\u9fa5]*)");     ht.Add("英文字符串","\\w*");     ht.Add("双字节字符串","([^\\x00-\\xff]*)"); //    comboBox1.DataBindings.Add("SelectedText",ht,""); //    comboBox1.DataBindings.Add("SelectedValue",ht,"Values");     string[] array = new string[ht.Count];     ht.Keys.CopyTo(array,0);     comboBox1.Text = "脚本";     comboBox1.Items.AddRange(array);            }    private void comboBox1_SelectedIndexChanged(object sender, System.EventArgs e)    {     tbRegixContent.Text = ht[comboBox1.SelectedItem.ToString()].ToString();    } } }