In C# check that filename is *possibly* valid (not that it exists)
68020
How do I check if a given string is a legal/valid file name under Windows?
137247
How can I check if the filename of a LaTeX document contains a string?
17649
Is there a way to check if a file is in use?
106594
How can we check if a file Exists or not using Win32 program?
38053
php check if file exist
86808
How to determine if a string is a valid variable name?
49250
Can the C preprocessor be used to tell if a file exists?
45685
Check if a file is real or a symbolic link
42559
(Built-in) way in JavaScript to check if a string is a valid number
49696
Checking it see if a file exists in a script
23061
How do I validate a html file with C#?
127510
Portable way to check if directory exists [Windows/Linux, C]
122819
How to check if a DLL file is registered?
79792
What characters allowed in file names on Android?
96703
How to delete a file in Windows with a too long filename?
16672
Shell script check if file exists?
39834
Check whether files in a file list exist in a certain directory