Review Request 114746: [calculator runner] Replace regexp with explicit character category check

[Christoph Feck]

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Review request for Plasma.


Bugs: 321803
    http://bugs.kde.org/show_bug.cgi?id=321803


Repository: kde-workspace


Description
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The current calculator krunner checks for textual input using a simple [a-zA-Z] regexp, which is going to fail for non-latin letters. Instead of increasing regexp complexity, I simply use the QChar category functions to check for letters.

Additionally, any input non consisting of at least a single digit requires the leading or trailing '=' sign, to avoid matches on pure symbol input, such as "(!)" or whatever.


Diffs
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  plasma/generic/runners/calculator/calculatorrunner.h 3a031e0 
  plasma/generic/runners/calculator/calculatorrunner.cpp 8d00449 

Diff: https://git.reviewboard.kde.org/r/114746/diff/


Testing
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Thanks,

Christoph Feck

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