get only the name of the selected input file

Question

I'm trying to get only the name of the selected file using this regex :

var regex = /.*(\/|\\)/;

but it only works in some cases, you can find the full example in this fiddle :

var regex = /.*(\/|\\)/;

var path1 = 'C:\fakepath\filename.doc'.replace(regex, ''),
    path2 = 'C:\\fakepath\\filename.doc'.replace(regex, ''),
    path3 = '/var/fakepath/filename.doc'.replace(regex, '');

How can solve this ?

Could you clarify what kind of output you are expecting for a given input? An example would be great. — Hopeful Llama
– Hopeful Llama, Commented Apr 21, 2016 at 14:53
OP, please never just link to your code, write the relevant part in your question. — Denys Séguret
– Denys Séguret, Commented Apr 21, 2016 at 14:58

Denys Séguret · Accepted Answer · 2016-04-21 14:56:03Z

3

Your problem isn't where you think it is.

Your problem is in writing your literal string.

'C:\fakepath\filename.doc' doesn't make the \ character but the \f one (form feed).

This being said, don't use replace when you want to extract a string, but match, so that you can define what you want instead of what you don't want:

var regex = /[^\/\\]+$/;

var path1 = 'C:\\fakepath\\filename.doc'.match(regex)[0],
    path2 = 'C:\\fakepath\\filename.doc'.match(regex)[0],
    path3 = '/var/fakepath/filename.doc'.match(regex)[0];

answered Apr 21, 2016 at 14:56

Denys Séguret

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