\[ 1*2*3 multi-line math \]

\( 1*2*3 inline-math \)

\[ 1*2*3 math with dollar \]

\[ 1*2*3 \$ \\ \text{dollar with escapes} \]

\( \\ \text{backslash with escapes} \$ 1*2*3 \)

( not really math )

$$ also not math $$

this \(*should* be\) math

this\( *should* also be\) math

and \(this *should* \)too

Something \{ like math but \} is not

Also \(like math but \) is not

\\( should be *math* as well \\\)

This is \( math, and the \\\( inner one \\\) should be \) preserved

\[ did you <em> know </em> this is math? \]