--- title: path.Ext description: Replaces path separators with slashes (`/`) and returns the file name extension of the given path. categories: [] keywords: [] params: functions_and_methods: aliases: [] returnType: string signatures: [path.Ext PATH] aliases: [/functions/path.ext] --- The extension is the suffix beginning at the final dot in the final slash-separated element of path; it is empty if there is no dot. ```go-html-template {{ path.Ext "a/b/c/news.html" }} → .html ```