My bottom line is, if I control the data and I am 100% sure it won't contain problematic chars, then by all means, I will use ordinal compare and get the speed increase. Otherwise, as a non English native myself, I want to make my apps international and so, I will use the culture aware comparison (and other operations).
Sébastien On Mon, Sep 8, 2008 at 3:21 PM, Sébastien Lorion <[EMAIL PROTECTED] > wrote: > string s1 = "Straße"; > string s2 = "STRASSE"; > > int ordinal = string.Compare(s1, s2, StringComparison.OrdinalIgnoreCase); > // = 140 > int current = string.Compare(s1, s2, > StringComparison.CurrentCultureIgnoreCase); // = 0 > > OrdinalIgnoreCase does not use Unicode conversion tables for making letters > uppercase. It makes it faster, but also may produce unexpected results. The > end result for non-english users is annoying. > > Sébastien > On Mon, Sep 8, 2008 at 3:02 PM, Per Bolmstedt <discuss.develop.com@ > ul7.info> wrote: > >> Define "won't work". Also, can you shed some more light on why it "won't >> work"? >> >> On Mon, 8 Sep 2008 14:32:02 -0400, =?ISO-8859-1?Q?S=E9bastien_Lorion?= >> <[EMAIL PROTECTED]> wrote: >> >> >It won't work with international characters. >> > >> >Sébastien >> >On Mon, Sep 8, 2008 at 2:19 PM, Per Bolmstedt >> ><[EMAIL PROTECTED]>wrote: >> > >> >> On Mon, 8 Sep 2008 13:23:16 -0400, =?ISO-8859-1?Q?S=E9bastien_Lorion?= >> >> <[EMAIL PROTECTED]> wrote: >> >> >> >>> by using OrdinalIgnoreCase, you are limiting yourself to only the >> >>> first 128 chars of ASCII, which in 2008 is kinda out of fashion... >> >> >> >> How so? >> >> >> >> According to "New Recommendations for Using Strings in Microsoft .NET >> >> "[1]; "Comparisons made using OrdinalIgnoreCase are behaviorally the >> >> composition of two calls: calling ToUpperInvariant on both string >> >> arguments, and doing an Ordinal comparison.". >> >> >> >> 1: http://msdn.microsoft.com/en-us/library/ms973919.aspx >> >> =================================== >> This list is hosted by DevelopMentor(R) http://www.develop.com >> >> View archives and manage your subscription(s) at >> http://discuss.develop.com >> > > =================================== This list is hosted by DevelopMentor® http://www.develop.com View archives and manage your subscription(s) at http://discuss.develop.com
