Bug 3534 - string.Split should use ordinal comparison
Summary: string.Split should use ordinal comparison
Alias: None
Product: Class Libraries
Classification: Mono
Component: mscorlib ()
Version: unspecified
Hardware: PC Windows
: --- normal
Target Milestone: Untriaged
Assignee: Bugzilla
Depends on:
Reported: 2012-02-18 20:03 UTC by Mikayla Hutchinson [MSFT]
Modified: 2012-02-20 09:49 UTC (History)
2 users (show)

Is this bug a regression?: ---
Last known good build:

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Description Mikayla Hutchinson [MSFT] 2012-02-18 20:03:38 UTC
According to MSDN docs for the overload string.Split (string[], ...):

"The Split method looks for delimiters by performing comparisons using case-sensitive ordinal sort rules"

However, Mono's implementation uses string.IndexOf (string, int, int), and according to MSDN docs for this overload:

"This method performs a word (case-sensitive and culture-sensitive) search using the current culture"

Assuming the MSDN docs are correct, Mono's string.Split should probably use the IndexOf overload that accepts a StringComparison specifier, and pass StringComparison.Ordinal.

If they're not correct, we should document this somewhere.
Comment 1 Marek Safar 2012-02-20 09:49:44 UTC
Fixed in master