Qstring Compare Case Insensitive

Understanding qstring comparecase insensitive requires examining multiple perspectives and considerations. QString Comparison in Qt: Beyond Basic Equality - Runebook.dev. Qt::CaseInsensitive: The comparison ignores the case of letters. For example, "Apple" and "apple" would be considered identical.

Qt::CaseSensitive (default): The comparison considers uppercase and lowercase letters as different. c++ - How to Compare two Qstrings? This perspective suggests that, although the question asks how to compare strings, that's not really what it's asking since the question already demonstrates two ways of comparing strings, including the one suggested in this answer. QString Class | Qt Core | Qt 6.10.0. If cs is Qt::CaseSensitive (the default), the comparison is case-sensitive; otherwise the comparison is case-insensitive. Case sensitive comparison is based exclusively on the numeric Unicode values of the characters and is very fast, but is not what a human would expect.

In this context, qString::localeAwareCompare () vs. QCollator: Choosing the Right Qt .... For case-insensitive locale-aware sorting, you can preprocess the strings by converting them to a consistent case. You can use it directly on QString objects or indirectly through QLocale::compare() when you want to specify a particular locale.

Comparison types overview | Qt Core | Qt 6.10.0. The canonical example here would be the case-insensitive comparison of two strings. Equally important, for instance, when comparing the values "Qt" and "qt" both hold the same letters but with different representations.