[MSDN Library April 2000] IsCharAlphaNumeric (52.6245210727969%)

MSDN Library - April 2000 > Platform SDK > User Interface Services > Windows User Interface > Resources > Strings > String Reference > String Functions

[MSDN Library June 1998] IsCharAlphaNumeric (43.3272837265578%)

MSDN Library Visual Studio 6.0 > Platform SDK > Windows Base Services > General Library > String Manipulation > String Manipulation Reference > String Manipulation Functions

[MSDN Library April 2000] IsCharAlphaNumeric (39.2528735632184%)

MSDN Library - April 2000 > Windows CE Documentation > Application Development > API Reference > Core > Functions