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How to remove invalid characters from a String , so that it can be used as a file name ?
the invalid characters include ("\\/:*?\"<>|").
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You can simply use C# inbuilt function " Path. GetInvalidFileNameChars() " to check if there is invalid character in file name and remove it. var InvalidCharacters= Path. GetInvalidFileNameChars(); string GetInvalidCharactersRemovedString= new string(fileName .
Supported characters for a file name are letters, numbers, spaces, and ( ) _ - , . *Please note file names should be limited to 100 characters. Characters that are NOT supported include, but are not limited to: @ $ % & \ / : * ? " ' < > | ~ ` # ^ + = { } [ ] ; !
You can try this,
String fileName = "\\/:*AAAAA?\"<>|3*7.pdf"; String invalidCharRemoved = fileName.replaceAll("[\\\\/:*?\"<>|]", ""); System.out.println(invalidCharRemoved); OUTPUT
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