this is strong and this is strong.

this is em and this is em.

code code

code*code**code*

Hey this is
italic

Hey this is
bold

strong text*emphasized text*

emphasized text**strong text**

strong text_emphasized text_

emphasized text__strong text__

strong text*emphasized text*

emphasized text**strong text**

simple_word_with_underscores

this is text, this is emph simple_word_with_underscores text again.

highlight something in**side** of a word. a**b**c.

a ** a*b **

a __ a_b __

a * a*b *

a _ a_b _

a this is strong

a this is strong

a this is strong

a * ABC

a A**B**

a A____B

a A__B__

a A****B

5 * 4 = 20

**

aha * * haha

em_text strong__text_

em*text strong**text*