I have a performance issue with the new dot net 4.0 framework.
When i use the function String.IndexOf(string, stringcomparison.ordinalignorecase) my execution time is much higher than framework 3.5 (i had 30ms in a loop for 3.5 and 210ms in framework 4)
All other StringComparison mode are really good in framework 4.
Is there an explanation?
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