Wildcard characters in GetFile in Directionary Searchpatern

Let's start by introducing searchpattern wildcard characters.

Wildcard characters	Describe
*	0 or more characters
?	Exactly one character

Example:
① "*t" searches all names in path that end with the letter "T"
② "s*" searches all names in path that begin with the letter "s"

① exactly three characters searchpattern returns a file with an extension of three or more than three characters.

"*.ABC" returns files with the extension. ABC,. ABCD,. ABCDE,. ABCdef, and so on.

② a character, two characters, or more than three characters searchpattern only returns files that have an extension that is exactly equal to that length.

"*.RMVB" only returns files with the extension. rmvb.

"*. Cache only returns the extension.  The cache file.

"*.csproj" only returns files with the extension. csproj.

Wildcard characters in GetFile in Directionary Searchpatern