This RegExp is useful for extracting file extensions from URLs - even ones that have ?foo=1 query strings and #hash endings. It will also provide you with the extension as $1.

Oct 10, 2008 · function splitFileName(fileName) { // Get the extention with a regular expression const ext = /(?:\.([^.]+))?$/.exec(fileName); // If there is no extension, return the filename with …

Jan 25, 2012 · var extension = filename[0].match(regexFileExtension); // returns extension. console.log("The filename is " + filename[0]); console.log("The extension is " + extension[0]); …

Sep 25, 2024 · Regular expressions can be used to extract the file extension from the full filename. A new RegExp object is created with the regular expression “[^.]+$”. The caret(^) …

Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.

May 5, 2024 · Validate file extensions easily with JavaScript! Learn how to extract file extensions using regex or split & pop methods.

A short Regular Expression that helps developers quickly extract and match a file extension from a string.

Nov 23, 2024 · One efficient way to extract the file extension is to use a regular expression. Here is a straightforward function to do that: function getFileExtension ( filename ) { const match = …

Jul 19, 2015 · I've the following function to get the parts of an URL, but I also need the file extension. var getPathParts = function(url) { var m = url.match(/(.*)[\/\\]([^\/\\]+)\.\w+$/); return { …

Jan 28, 2022 · In this tutorial, we will go through how to get the extension of a user-selected file in JavaScript. The first step is to check whether the user's browser supports JavaScript FileRead …