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Gets ot sets a value that indicate RegexpMaskType of the mask in regular expression style.
public RegexpMaskType RegexpMaskType { get; set; }
RegexpMask is mask based on MS Regex with support of custom RegexpEditMask keywords. It is only validated on exit from edit mode.
C1RegexpEditMask is regular expression mask based on custom regex parser. It can be validated during entering text.