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Is there principal difference between QRegularExpression and QRegExp?
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Hello!
Which is better to use QRegularExpression and QRegExp? Is there principal difference between this two classes?
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Hi
You should use QRegularExpression
Docs says
Note: In Qt 5, the new QRegularExpression class provides a Perl compatible implementation of regular expressions and is recommended in place of QRegExp.So i guess the biggest difference is its compatibility
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Hi,
QRegExp is a custom regular expression implementation.
QRegularExpression uses PCRE as a backend.
Also, QRegExp should be considered deprecated and not used in new code.
