Parent: $root.$constants
| kORegExCaseInsensitive | Character matching performed without regard to case |
| kORegExFormatNoCopy | Do not copy un-matched strings to the result when replacing |
| kORegExMatchContinuous | Only match a sub-sequence that begins at first |
| kORegExMatchNotNull | Do not match emtpy sequences |
| kORegExMultiline | ^ shall match the beginning of a line and $ shall match the end of a line when using ECMAScript engine, not available on Windows |