c# example - stringbuilder regex replace
stringbuilder-regex-replace.aspx
<%@ Page Language="C#" AutoEventWireup="true"%>
<!DOCTYPE html>
<script runat="server">
protected void Button1_Click(object sender, System.EventArgs e)
{
StringBuilder stringb = new StringBuilder();
stringb.Append("DarkMagenta DarkGreen DarkOrchid DimGray DodgerBlue");
Label1.Text = stringb.ToString();
//Regex replace case sensitive
string replacedString = Regex.Replace(stringb.ToString(), "DarkOrchid", "GoldenRod");
stringb.Replace(stringb.ToString(), replacedString);
//Regex replace case insensitive/ignore case
string result = Regex.Replace(replacedString, "dodgerblue", "CornFlowerBlue", RegexOptions.IgnoreCase);
stringb.Replace(stringb.ToString(), result);
Label1.Text += "<br /><br />After replace two colors......<br />";
Label1.Text += stringb.ToString();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>c# example - stringbuilder regex replace</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2 style="color:MidnightBlue; font-style:italic;">
c# example - stringbuilder regex replace
</h2>
<hr width="550" align="left" color="Gainsboro" />
<br />
<asp:Label
ID="Label1"
runat="server"
Font-Size="Large"
>
</asp:Label>
<br /><br />
<asp:Button
ID="Button1"
runat="server"
Text="stringbuilder regex replace"
OnClick="Button1_Click"
Height="40"
Font-Bold="true"
/>
</div>
</form>
</body>
</html>

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