Finding files in directory with two different strings in filename

I have a directory which is a folder (called 'DBDIR' below) and I want to find all of the files in this directory that contain two separate strings ('case#' and 'PPG') in the filename. With the below code, I can locate all files in the folder 'CNAP PPG Database' that contain the string 'case#' in the filename.

DBDIR = '/Users/me/CNAP PPG Database';
ggg = dir([DBDIR,'/case#*.mat']);

I am trying to do this to find files that have both 'case#' and 'PPG' in the filename, so I want to do something like below (this of course didn't work though).

DBDIR = '/Users/me/CNAP PPG Database';
ggg = dir([DBDIR,'/case#**PPG.mat']);

To clarify, my list of files in the directory looks like:

Answer 1

[Stephen23]

Use FULLFILE rather than concatenating text together.

Here is a simple approach that solves the problem you pose in your question:

DBDIR = '/Users/me/CNAP PPG Database';
ggg = [...
    dir(fullfile(DBDIR,'*case#*PPG*.mat'));...
    dir(fullfile(DBDIR,'*PPG*case#*.mat'))]

Here is a simple approach that works with the filenames that you actually have:

DBDIR = '/Users/me/CNAP PPG Database';
ggg = dir(fullfile(DBDIR,'case#*PPG*.mat'))

[Shri Chand]

Thanks very much!

Answer 2

[Image Analyst]

See contains or ismember