Inline case-sensitive matching (?i)

The regex search does not seem to support inline case sensitivity flags such as (?i) and (?-i)

Is that correct? Or do I have the wrong syntax?
On the TR1 manual the only workaround I see is to use things such as [:alpha:] [:upper:] and [:lower:]

Not a big deal! Just wanting to make sure I'm not missing out because of wrong syntax.
I'm aware of the case sensitive box. These inline flags are for case (in)sensitivity around a single word or fragment.

These are perl/PCRE-isms. No equivalent that I'm aware of short of the case-sensitivity setting you mention.

Thank You!

...and beautifully put! (?s) and (?m) will also be absent, so all in all, "-ism"