<function name="GetExtensionFromFilename" parent="string" type="libraryfunc"> <description>Returns extension of the file. <note>Make sure there are no trailing whitespaces in your `path` argument</note>⤶ ⤶ See <page>string.StripExtension</page> for a function to remove the extension. ⤶ See <page>string.GetFileFromFilename</page> and <page>string.GetPathFromFilename</page> for related functions.⤶ ⤶ <note>Make sure there are no trailing whitespaces in your `path` argument</note>⤶ </description> <realm>Shared and Menu</realm> <file line="124">lua/includes/extensions/string.lua</file> <args> <arg name="path" type="string">The string eg. file-path to get the file extension from.</arg> </args> <rets> <ret name="" type="string">File extension or `nil`.</ret> </rets> </function> <example> <description>Prints the extension of the file.</description> <code>print(string.GetExtensionFromFilename("garrysmod/lua/modules/string.lua"))</code> <output>lua</output> </example>