# at-function-pattern Specify a pattern for Sass/SCSS-like function names. ```scss @function grid-width($n) { /** ↑ * The pattern of this */ ``` ## Options `regex` or `string` A string will be translated into a RegExp like so `new RegExp(yourString)` — so be sure to escape properly. ### E.g. `/foo-.+/` The following patterns are considered warnings: ```scss @function boo-bar ($n) { ``` The following patterns are *not* considered warnings: ```scss @function foo-bar ($n){ ```