Messenger supports text formatting. You will be able to send text in bold, italic, strikethrough. Here's how to do it.
To make the text bold, type an asterisk (*) before and after the text and press enter. Bold text is often used to give more emphasis to important phrases and keywords.
To make the text italic, type an underscore (_) before and after the text. Like bold font, italics are often used to draw attention to a certain detail. Most commonly, they are used to highlight names, foreign words, or when quoting dialogues.
If you want to draw a line above your text on Messenger, you can use strikethrough formatting. To do this, type a tilde (~) before and after the text.
Strikethrough text is typically used to indicate text that is no longer valid or text that needs to be removed from a draft.
~ hello ~
To create monospaced text, type (`) before and after the text. This is different from a regular apostrophe and if you have an American keyboard you will find it on the same key as a tilde (~).
Most of the text you will see online will have proportional spacing, where each character only takes up the width it needs. Monospace is where each character takes up the same amount of space.