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System.Net.WebHeaderCollection Class
Information   Base Types   Related Resources

Contains protocol headers associated with a request or response.

  • Namespace: System.Net
  • First seen in: .NET v1.0.3705
  • Last seen in: .NET v1.1.4322
  • Last changed in: .NET v1.1.4322
  • Assembly: System.dll

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  		• System.Collections.Specialized.NameValueCollection
  		• View this type on MSDN
  		• View this type on WinFX 247
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    Articles

    Page: 1
    The best regular expression on the Internet
    STANDARDIO.ORG
    Recently I decided I wanted to build an Internet spider. There was no client paying for it, no boss asking for it. It’s just something I’ve always wanted to do. Thanks to the .NET Framework objects System.Net.HttpWebRequest and System.Net.HttpWebResponse, this is relatively easy. The hardest part I ran into while writing the code was scanning for HREF’s on a page. I thought this might be the easiest part when I started, but in terms of lines of code per hour, this was by far the most difficult portion of my spider. In this scenario a regular expression is needed to scan the HTML the spider has downloaded for more HREF’s so it can continue crawling the web.
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