C#正则表达式实例

水深无声 2021-12-13 00:45 323阅读 0赞

![None.gif][] private   void  okButton\_Click( object  sender, System.EventArgs e)  
![ExpandedBlockStart.gif][None.gif]![ContractedBlock.gif][None.gif]         ![dot.gif][] \{  
![InBlock.gif][None.gif]            if(lastTextBox.Text==""|| firstTextBox.Text==""||this.addressTextBox.Text==""|| this.cityTextBox.Text==""||this.stateTextBox.Text==""|| this.zipTextBox.Text==""||this.phoneTextBox.Text=="")  
![ExpandedSubBlockStart.gif][None.gif]![ContractedSubBlock.gif][None.gif]            ![dot.gif][]\{  
![InBlock.gif][None.gif]                MessageBox.Show("请输入所有资料信息","错误",MessageBoxButtons.OK,MessageBoxIcon.Error);  
![InBlock.gif][None.gif]                this.lastTextBox.Focus();  
![InBlock.gif][None.gif]                return;  
![ExpandedSubBlockEnd.gif][None.gif]            \}  
![InBlock.gif][None.gif]            if(!Regex.Match(this.lastTextBox.Text,@"^\[A-Z\]\[a-zA-Z\]\*$").Success)  
![ExpandedSubBlockStart.gif][None.gif]![ContractedSubBlock.gif][None.gif]            ![dot.gif][]\{  
![InBlock.gif][None.gif]                MessageBox.Show("重新输入名字","message",MessageBoxButtons.OK,MessageBoxIcon.Error);  
![InBlock.gif][None.gif]                this.lastTextBox.Focus();  
![InBlock.gif][None.gif]                return;  
![ExpandedSubBlockEnd.gif][None.gif]            \}  
![InBlock.gif][None.gif]            if(!Regex.Match(this.firstTextBox.Text,@"^\[A-Z\]\[a-zA-Z\]\*$").Success)  
![ExpandedSubBlockStart.gif][None.gif]![ContractedSubBlock.gif][None.gif]            ![dot.gif][]\{  
![InBlock.gif][None.gif]                MessageBox.Show("重输入姓","message",MessageBoxButtons.OK,MessageBoxIcon.Error);  
![InBlock.gif][None.gif]                this.firstTextBox.Focus();  
![InBlock.gif][None.gif]                return;  
![ExpandedSubBlockEnd.gif][None.gif]            \}  
![InBlock.gif][None.gif]            //if(!Regex.Match(this.addressTextBox.Text,@"^\[0-9\] + \\s + (\[a-zA-Z\] +|\[a-zA-Z\] + \\s\[a-zA-Z\]+)$").Success)  
![InBlock.gif][None.gif]            if(!Regex.Match(this.addressTextBox.Text,@"^\[a-zA-Z\] +\[a-zA-Z\] + \\s\[a-zA-Z\]$").Success)  
![InBlock.gif][None.gif]              
![ExpandedSubBlockStart.gif][None.gif]![ContractedSubBlock.gif][None.gif]            ![dot.gif][]\{  
![InBlock.gif][None.gif]                MessageBox.Show("invalid 重新输入地址","message",MessageBoxButtons.OK,MessageBoxIcon.Error);  
![InBlock.gif][None.gif]                this.addressTextBox.Focus();  
![InBlock.gif][None.gif]                return;  
![InBlock.gif][None.gif]  
![ExpandedSubBlockEnd.gif][None.gif]            \}  
![InBlock.gif][None.gif]            if(!Regex.Match(this.cityTextBox.Text,@"^(\[a-zA-Z\]+|\[a-zA-Z\]+\\s\[a-zA-Z\]+)$").Success)  
![ExpandedSubBlockStart.gif][None.gif]![ContractedSubBlock.gif][None.gif]            ![dot.gif][]\{  
![InBlock.gif][None.gif]                MessageBox.Show("invalid city 城市","message",MessageBoxButtons.OK,MessageBoxIcon.Error);  
![InBlock.gif][None.gif]                this.cityTextBox.Focus();  
![InBlock.gif][None.gif]                return;  
![ExpandedSubBlockEnd.gif][None.gif]            \}  
![InBlock.gif][None.gif]            if(!Regex.Match(this.stateTextBox.Text,@"^(\[a-zA-Z\]+|\[a-zA-Z\]+\\s\[a-zA-Z\]+)$").Success)  
![ExpandedSubBlockStart.gif][None.gif]![ContractedSubBlock.gif][None.gif]            ![dot.gif][]\{  
![InBlock.gif][None.gif]                MessageBox.Show("invalid state国家","message",MessageBoxButtons.OK,MessageBoxIcon.Error);  
![InBlock.gif][None.gif]                this.cityTextBox.Focus();  
![InBlock.gif][None.gif]                return;  
![ExpandedSubBlockEnd.gif][None.gif]            \}  
![InBlock.gif][None.gif]            if(!Regex.Match(this.zipTextBox.Text,@"^\\d\{6\}$").Success)  
![ExpandedSubBlockStart.gif][None.gif]![ContractedSubBlock.gif][None.gif]            ![dot.gif][]\{  
![InBlock.gif][None.gif]                MessageBox.Show("invalid zip邮码","message",MessageBoxButtons.OK,MessageBoxIcon.Error);  
![InBlock.gif][None.gif]                this.zipTextBox.Focus();  
![InBlock.gif][None.gif]                    return;  
![ExpandedSubBlockEnd.gif][None.gif]            \}  
![InBlock.gif][None.gif]            if(!Regex.Match(this.phoneTextBox.Text,@"^\[0-9\]\\d\{3\}-\[1-9\]\\d\{3\}-\\d\{3,4\}$").Success)  
![ExpandedSubBlockStart.gif][None.gif]![ContractedSubBlock.gif][None.gif]            ![dot.gif][]\{  
![InBlock.gif][None.gif]                MessageBox.Show("invalid phone电话号码","message",MessageBoxButtons.OK,MessageBoxIcon.Error);  
![InBlock.gif][None.gif]                this.phoneTextBox.Focus();  
![InBlock.gif][None.gif]                return;  
![ExpandedSubBlockEnd.gif][None.gif]            \}  //\[\\\\w-\]+(\\\\.\[\\\\w-\]+)\*@\[\\\\w-\]+(\\\\.\[\\\\w-\]+)+  
![InBlock.gif][None.gif]            if(!Regex.Match(this.emailTextBox.Text,@"^\\w+(\[-+.\]\\w+)\*@\\w+(\[-.\]\\w+)\*\\.\\w+(\[-.\]\\w+)\*$").Success)  //  \\w+(\[-+.\]\\w+)\*@\\w+(\[-.\]\\w+)\*\\.\\w+(\[-.\]\\w+)\*  
![ExpandedSubBlockStart.gif][None.gif]![ContractedSubBlock.gif][None.gif]            ![dot.gif][]\{  
![InBlock.gif][None.gif]                MessageBox.Show("invalid email 邮箱","message",MessageBoxButtons.OK,MessageBoxIcon.Error);  
![InBlock.gif][None.gif]                this.emailTextBox.Focus();  
![InBlock.gif][None.gif]                return;  
![ExpandedSubBlockEnd.gif][None.gif]            \} //^\[a-zA-z\]+://匹配(\\w+(-\\w+)\*)(\\.(\\w+(-\\w+)\*))\*(\\?\\S\*)?$  
![InBlock.gif][None.gif]            if(!Regex.Match(this.websiteTextBox.Text,@"^http://(\[\\w-\]+\\.)+\[\\w-\]+(/\[\\w- ./?%&=\]\*)?$").Success)  //http://(\[\\w-\]+\\.)+\[\\w-\]+(/\[\\w- ./?%&=\]\*)?  
![ExpandedSubBlockStart.gif][None.gif]![ContractedSubBlock.gif][None.gif]            ![dot.gif][]\{  
![InBlock.gif][None.gif]                MessageBox.Show("invalid webSite 网址","message",MessageBoxButtons.OK,MessageBoxIcon.Error);  
![InBlock.gif][None.gif]                this.websiteTextBox.Focus();  
![InBlock.gif][None.gif]                return;  
![ExpandedSubBlockEnd.gif][None.gif]            \}  
![InBlock.gif][None.gif]            MessageBox.Show("thank you!","geoVi studio",MessageBoxButtons.OK,MessageBoxIcon.Information);  
![InBlock.gif][None.gif]            Application.Exit();//处理消息之后关闭所有的程序。  
![ExpandedBlockEnd.gif][None.gif]        \}   
![None.gif][]

转载于:https://www.cnblogs.com/geovindu/archive/2006/02/28/339851.html

[None.gif]: 
[dot.gif]: /images/20211210/e7125ae3e540435ca23b907262383022.png