# @babel/plugin-syntax-numeric-separator > Allow parsing of Numeric Literals (Decimal, Binary, Hex and Octal) that contain a _NumericLiteralSeparator_. ## Installation ```sh npm install --save-dev @babel/plugin-syntax-numeric-separator ``` ## Usage ### Via `.babelrc` (Recommended) **.babelrc** ```json { "plugins": ["@babel/plugin-syntax-numeric-separator"] } ``` ### Via CLI ```sh babel --plugins @babel/plugin-syntax-numeric-separator script.js ``` ### Via Node API ```javascript require("@babel/core").transform("code", { plugins: ["@babel/plugin-syntax-numeric-separator"] }); ```