Lately I’ve been working on my pet project called Twime. So as part of that project, I wanted to add the ability to parse URLs, usernames and hashtags from the user’s Twitter timeline. Here’s how I went about doing that:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Text.RegularExpressions;
public static class HTMLParser
{
public static string Link(this [...]
I recently discovered an absolutely amazing HTML parsing library for .NET called HtmlAgilityPack. It completely takes away the pain of parsing complicated HTML with regular expressions.
Here’s a very simple example of what you could do with it – I’m just extracting inner HTML from any element inside a HTML file which has a css class [...]
This code will strip out all the HTML tags and truncate the text to 4 lines.
public static string TruncateText(string txtIn, int newLength)
{
string txtOut = txtIn;
string pattern = @”<(.|\n)*?>”;
//Strip out HTML tags
if (Regex.IsMatch(txtIn, pattern, RegexOptions.None))
[...]
One of the most useful things to learn in programming is regular expressions. Knowing how to use regular expressions could save you a TON of time and make your applications more efficient.
I recently compiled a small list of sites/blogs which have excellent reference material on regular expressions. Here it is:
The absolute bare minimum every programmer [...]
Tags: regex