A Visual FoxPro built-in function which returns a number of telling the position of a characters expression in another character expression. This function is exactly the same as the At( ), except that the searching will be case insensitive.
Atc(cSearchExpression, cExpressionSearched, nOccurrence)
Specifies the character expression to search for in cExpressionSearched.
Specifies the character expression to search for.