The string argument is any valid string expression. If string contains Null, Null is returned.

Only uppercase letters are converted to lowercase; all lowercase letters and non-letter characters remain unchanged. The following example uses the LCase function to convert uppercase letters to lowercase:

	Copy Code
Dim MyString Dim LCaseString MyString = "VBSCript" LCaseString = LCase(MyString) ' LCaseString contains "vbscript".

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Reference