Get-RegexTest.ps1

1. # Get-RegexTest.ps1 
2. # Sample Using PowerShell 
3. # Thomas Lee - tfl@psp.co.uk 
4.  
5. # Define a regular expression for currency values. 
6. $rx = New-Object system.text.RegularExpressions.Regex "^-?\d+(\.\d{2})?$" 
7.  
8. # Define tests 
9. $tests = "-42", "19.99", "0.001", "100 USD", ".34", "0.34", "1,052.21", "Jerry Garcia" 
10.  
11. # Now test and report 
12. foreach ($test in $tests)  { 
13. if ($rx.IsMatch($test)) { 
14. "{0} is a currency value." -f $test 
15. } 
16. else { 
17. "{0} is not a currency value." -f $test 
18. } 
19. }     

This script produces the following output:

PS C:\foo> .\GetRegexTest.ps1'
-42 is a currency value.
19.99 is a currency value.
0.001 is not a currency value.
100 USD is not a currency value.
.34 is not a currency value.
0.34 is a currency value.
1,052.21 is not a currency value.
Jerry Garcia is not a currency value.

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