Comparison methods
These constants are used by the
Comp function and each time a sort method is needed.
For example, in the
Array sort methods, when creating a
Collection,
in the
String class methods, and so on.
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gb.Binary
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Binary comparison (This is the default).
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gb.IgnoreCase
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ASCII case insensitive comparison.
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gb.Language
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Comparison according to the current language.
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gb.Language + gb.IgnoreCase
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Case insensitive comparison according to the current language.
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gb.Natural
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Natural comparison according to the current language.
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gb.Natural + gb.IgnoreCase
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Case insensitive natural comparison according to the current language.
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gb.Like
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The second string is assumed to be a LIKE pattern. If the first string matches it, then equality is returned.
Otherwise a case insensitive comparison is done.
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gb.Match
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Since 3.11
The second string is assumed to be a gb.pcre MATCH pattern. If the first string matches it, then equality is returned.
Otherwise a case insensitive comparison is done.
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Beware that comparing strings according to the current language (
gb.Language) relies on the internal collation support of the
glibc library.
Consequently, the result of the sort using a specific language can't be told. You have to check by yourself.
It seems, at least for western European languages, that spaces are ignored by the glibc collation routine.