# 22. Virtuoso Functions Guide - upper

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## upper

returns upper case version of string argument
upper ( str string);
Description

ucase returns a copy of string str with all the lowercase alphabetical characters converted to corresponding uppercase letters. This includes also the diacritic letters present in the ISO 8859/1 standard in range 224 - 254 decimal, excluding the character 255, y diaeresis, which is not converted to a German double-s.

upper is just an alias for ucase.

    ucase('AbracadabrA')  -> 'ABRACADABRA'