Get-PortAndProtocolFromUrl.ps1

1. <# 
2. .SYNOPSIS 
3.     This script strips out a port and protocol number from a URL  
4. .DESCRIPTION 
5.     This script creates a regular expression reged then uses it to  
6.     match against the URL to get the protocol and port. This is a 
7.     re-write of the MSDN sample. 
8. .NOTES 
9.     File Name  : Get-PortAndProtocolFromUrl.ps1 
10.     Author     : Thomas Lee - tfl@psp.co.uk 
11.     Requires   : PowerShell Version 2.0 
12. .LINK 
13.     This script posted to: 
14.         http://www.pshscripts.blogspot.com 
15.     MSDN sample posted to: 
16.         http://msdn.microsoft.com/en-us/library/63ew9az0.aspx 
17. .EXAMPLE 
18.     PowerShell> .\Get-PortAndProtocolFromUrl.ps1 
19.     Port    : http 
20.     Protocol: 8080    
21. #> 
22.  
23. # Set URL 
24. $url = "http://www.contoso.com:8080/letters/readme.html" 
25.  
26. # Create Regex, then match against the URL 
27. $r = new-object System.Text.RegularExpressions.Regex "^(?<proto>\w+)://[^/]+?:(?<port>\d+)?/" 
28. $m = $r.Match($url) 
29.  
30. # Print results 
31. if ($m.Success) { 
32.    "Port    : {0}" -f $M.groups["proto"].value 
33.    "Protocol: {0}" -f $M.groups["port"].value 
34. } 
35.            

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