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# qstring-insensitive-allocation
Finds unneeded memory allocations such as
`if (str.toLower().contains("foo"))` which you should fix as
`if (str.contains("foo", Qt::CaseInsensitive))` to avoid the heap allocation caused by toLower().
Matches any of the following cases:
`str.{toLower, toUpper}().{contains, compare, startsWith, endsWith}()`
#### Pitfalls
`Qt::CaseInsensitive` is different from `QString::toLower()` comparison for a few code points, but it
should be very rare: <http://lists.qt-project.org/pipermail/development/2016-February/024776.html>
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