# RegEx Variable Block

Match one variable to one [regular expression](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions).

* **Variable name**\
  The name of the variable
* **RegEx**\
  The regular expression will be used to match the variable's value. For instance, if you use `\d+` with this expression, GoLess will return only the digits inside the variable value