Regex for extracting filename from path

Question

I need to extract just the filename (no file extension) from the following path....

\\\\my-local-server\\path\\to\\this_file may_contain-any&character.pdf<

Answer 1

If anyone is looking for a windows absolute path (and relative path) javascript regular expression in javascript for files:

var path = "c:\\my-long\\path_directory\\file.html";


((/(\w?\:?\\?[\w\-_\\]*\\+)([\w-_]+)(\.[\w-_]+)/gi).exec(path);

Output is:

[
"c:\my-long\path_directory\file.html", 
"c:\my-long\path_directory\", 
"file", 
".html"
]

Answer 2

I use @"[^\\]+$" That gives the filename including the extension.

Answer 3

Does this work...

.*\/(.+)$

Posting here so I can get feedback

Answer 4

I'm using this regex to replace the filename of the file with index. It matches a contiguous string of characters that doesn't contain a slash and is followed by a . and a string of word characters at the end of the string. It will retrieve the filename including spaces and dots but will ignore the full file extension.

const regex = /[^\\/]+?(?=\.\w+$)/

console.log('/path/to/file.png'.match(regex))
console.log('/path/to/video.webm'.match(regex))
console.log('/path/to/weird.file.gif'.match(regex))
console.log('/path with/spaces/and file.with.spaces'.match(regex))

Answer 5

This will get the filename but will also get the dot. You might want to truncate the last digit from it in your code.

[\w-]+\.

Update

@Geoman if you have spaces in file name then use the modified pattern below

[ \w-]+\.      (space added in brackets)

Demo

Answer 6

Here's a slight modification to Angelo's excellent answer that allows for spaces in the path, filename and extension as well as missing parts:

function parsePath (path) {
    var parts = (/(\w?\:?\\?[\w\-_ \\]*\\+)?([\w-_ ]+)?(\.[\w-_ ]+)?/gi).exec(path);
    return {
        path: parts[0] || "",
        folder: parts[1] || "",
        name: parts[2] || "",
        extension: parts[3] || "",
    };
}