c# - String contains multiple values

String contains multiple values
string-contains-multiple-values.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 indianred brown";

        //this section create array of string.
        string[] multipleRed = new string[] { "red", "indianred" };
        //here we create an array of multiple string which we want to check in string
        string[] multipleBlue = new string[] { "blue", "darkblue" };

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

        Label1.Text += "<br /><br />multiple string (red colors) to check..................";
        foreach (string s in multipleRed)
        {
            Label1.Text += "<br />" + s;
        }

        Boolean resultRed = multipleRed.All(x => stringValue.Contains(x));
        Label1.Text += "<br /><br />string contains multiple values(red)?...........";
        Label1.Text += resultRed.ToString();

        Label1.Text += "<br /><br />multiple string (blue colors) to check..................";
        foreach (string s in multipleBlue)
        {
            Label1.Text += "<br />" + s;
        }

        Boolean resultBlue = multipleBlue.All(x => stringValue.Contains(x));
        Label1.Text += "<br /><br />string contains multiple values(blue)?...........";
        Label1.Text += resultBlue.ToString();
    }  
</script>  
  
<html xmlns="http://www.w3.org/1999/xhtml">  
<head id="Head1" runat="server">  
    <title>c# example - string contains multiple values</title>  
</head>  
<body>  
    <form id="form1" runat="server">  
    <div>  
        <h2 style="color:MidnightBlue; font-style:italic;">  
            c# example - string contains multiple values
        </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 multiple values"  
            OnClick="Button1_Click"
            Height="40"  
            Font-Bold="true"  
            />  
    </div>  
    </form>  
</body>  
</html>
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