Validating filenames with regularexpression validator am i dating a bad boy

I already gone through some question in Stack Overflow regarding this but nothing helped much in my case.

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Bm P , true Image is valid : , true Image is valid : , true Image is valid : , true Image is valid : , true Image is valid : , false Image is valid : , false Image is valid : , false Image is valid : , false Image is valid : , false Image is valid : , false Image is valid : , false Image is valid : , false Image is valid : , false Image is valid : , false Image is valid : a.

Message: The file or folder name contains characters that are not permitted.

Function Is Valid File Name Or Path(By Val name As String) As Boolean ' Determines if the name is Nothing. It also does not check if the application has permission to access the file-system resource with the specified name.

If name Is Nothing Then Return False End If ' Determines if there are bad characters in the name.

COMException (0x81020073): The file or folder name contains characters that are not permitted.

Add Or Update Item(String bstr Url, String bstr List Name, Boolean b Add, Boolean b System Update, Boolean b Preserve Item Version, Boolean b Preserve Item UIVersion, Boolean b Update No Version, Int32& pl ID, String& pbstr Guid, Guid pbstr New Doc Id, Boolean b Has New Doc Id, String bstr Version, Object& pvar Attachment Names, Object& pvar Attachment Contents, Object& pvar Properties, Boolean b Check Out, Boolean b Checkin, Boolean b Un Restricted Update In Progress, Boolean b Migration, Boolean b Publish, String bstr File Name, ISP2DSafe Array Writer p List Data Validation Callback, ISP2DSafe Array Writer p Restrict Insert Callback, ISP2DSafe Array Writer p Unique Field Callback) at Microsoft.

Get Invalid Path Chars If In Str(name, bad Char) This example does not check if the name has incorrectly placed colons, or directories with no name, or if the length of the name exceeds the system-defined maximum length.

These Regexs are examples and not built for a particular Regex engine. In particular, this means that character classes do not contain meta characters which need to be escaped, except the Regex Library Site A site that has a HUGE library of regular expressions and other regex resources Regex Tutorial Site A site with lots of tutorials on writing Regexs and numerous examples Regex Construction Tool A free regex construction tool Regex Explanation Tool

So I would like to check all of this in one single expression.

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