The most common way to do this is with triple backticks: Some regular text ``` Preformatted text ``` While this isn't in the original spec (h

The most common way to do this is with triple backticks: Some regular text ``` Preformatted text ``` While this isn't in the original spec (https://daringfireball.net/projects/markdown/syntax#precode https://daringfireball.net/projects/markdown/syntax#precode) it's supported by GitHub, Stack Overflow, and most other places I find myself using a markdown flavor.