Split a string (file name) using index position

Question

I need to separate the file name into an array of two strings.

The file name looks like this: IMG-20190604-WA0005.jpg

An array that I want:

[0] = "IMG-20190604-WA0005"

[1] = "jpg"

I got index position using LasIndexOf('.')

string.Substring

derpirscher
– derpirscher

2022-07-28 09:17:43 +00:00
Commented Jul 28, 2022 at 9:17 — derpirscher
– derpirscher, Commented Jul 28, 2022 at 9:17
@derpirscher Can you give an example

Domagoj Hamzic
– Domagoj Hamzic

2022-07-28 09:18:42 +00:00
Commented Jul 28, 2022 at 9:18 — Domagoj Hamzic
– Domagoj Hamzic, Commented Jul 28, 2022 at 9:18

Tim Schmelter · Accepted Answer · 2022-07-28 09:19:50Z

Don't use string methods but the available methods in System.IO.Path:

string file = "IMG-20190604-WA0005.jpg"; string filenameWithoutExtension = Path.GetFileNameWithoutExtension(file); string extension = Path.GetExtension(file);

If you don't want the . at the beginning, remove it:

string extension = Path.GetExtension(file).TrimStart('.');

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