In this post we will discuss how to get only alphabet characters from a string in asp.net using Regular Expressions.
Also you can check out my previous posts on:
- Bind dropdownlist from enum in Asp.Net
- NuGet tutorial in Asp.Net
- Automated Performance Testing and its Parameters
To retrieve alphabet characters from string we can use a RegularExpressions.
Below is the full code:
First we have the using statement like below:
using System.Text.RegularExpressions;
.aspx code:
Input String: <asp:Label ID="lblInput" runat="server" Text="qa1rb0h)g(2d#edgtkhrint98@#09&&*_---+=!~123Avcf"></asp:Label><br />
<asp:Button ID="btnGetAlphabets" runat="server" Text="Get Alphabets" OnClick="btnGetAlphabets_Click" /><br />
<asp:Label ID="lblResult" runat="server" Text=""></asp:Label>
.cs code:
protected void btnGetAlphabets_Click(object sender, EventArgs e)
{
Regex reg = new Regex(@"[^a-zA-Z]");
string result = reg.Replace(lblInput.Text, "");
lblResult.Text ="Result: "+ result;
}
The result will come like below:
Also you can check out my previous posts on:
- Bind dropdownlist from enum in Asp.Net
- NuGet tutorial in Asp.Net
- Automated Performance Testing and its Parameters
To retrieve alphabet characters from string we can use a RegularExpressions.
Below is the full code:
First we have the using statement like below:
using System.Text.RegularExpressions;
.aspx code:
Input String: <asp:Label ID="lblInput" runat="server" Text="qa1rb0h)g(2d#edgtkhrint98@#09&&*_---+=!~123Avcf"></asp:Label><br />
<asp:Button ID="btnGetAlphabets" runat="server" Text="Get Alphabets" OnClick="btnGetAlphabets_Click" /><br />
<asp:Label ID="lblResult" runat="server" Text=""></asp:Label>
.cs code:
protected void btnGetAlphabets_Click(object sender, EventArgs e)
{
Regex reg = new Regex(@"[^a-zA-Z]");
string result = reg.Replace(lblInput.Text, "");
lblResult.Text ="Result: "+ result;
}
The result will come like below: