c# - String contains list of strings

String contains list of strings
string-contains-list-of-strings.aspx

<%@ Page Language="C#" AutoEventWireup="true"%>

<!DOCTYPE html>  
<script runat="server"> 
    protected void Button1_Click(object sender, System.EventArgs e)  
    {
        //this section create a string variable.
        string stringValue = "red green blue yellow brown";

        //this line create a generic list of string.
        List<string> colors = new List<string> {"pink","orange","yellow","gray","maroon" };

        Label1.Text = "string..................<br />";
        Label1.Text += stringValue;

        Label1.Text += "<br /><br />string list..................";
        foreach (string s in colors)
        {
            Label1.Text += "<br />" + s;
        
        }

        Boolean result = colors.Any(x => stringValue.Contains(x));
        Label1.Text += "<br /><br />string contains value that match string list any element?...........";
        Label1.Text += result.ToString();
        
        if (result==true)
        {
            string result2 = colors.First(x => stringValue.Contains(x));
            Label1.Text += "<br />found this element in string: " + result2.ToString();
        }
        else {
            Label1.Text += "<br />no list element found in string.";
        }
    }  
</script>  
  
<html xmlns="http://www.w3.org/1999/xhtml">  
<head id="Head1" runat="server">  
    <title>c# example - string contains list of strings</title>  
</head>  
<body>  
    <form id="form1" runat="server">  
    <div>  
        <h2 style="color:MidnightBlue; font-style:italic;">  
            c# example - string contains list of strings
        </h2>  
        <hr width="550" align="left" color="Gainsboro" />  
        <asp:Label   
            ID="Label1"   
            runat="server"  
            Font-Size="Large"
            >  
        </asp:Label>  
        <br /><br />
        <asp:Button   
            ID="Button1"   
            runat="server"   
            Text="string contains list of strings"  
            OnClick="Button1_Click"
            Height="40"  
            Font-Bold="true"  
            />  
    </div>  
    </form>  
</body>  
</html>
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