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Eike Ziller authored
If regular expression flag is enabled, check the search term for a valid expression and disable searching in case it is not. Uses QRegularExpression (Perl-compatible) which is used by all the existing searches. Task-number: QTCREATORBUG-14928 Change-Id: I37d536d8d0ac190de486790aca87616e9b320eb1 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
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