method string.to_uppercase
Convert characters in a string to upper case
Contract
Return typestring
No input parameters.
Water Contract
<method string.to_uppercase
  _return_type=string/>

See also: to_lowercase, to_uppercase, capitalize, titlecase

Returns a string with all the letters upper cased and the non-letters the same as in _subject If no characters needed conversion, then _subject is returned.
"abcdefgh!@#$".<to_uppercase />
"ABCDEFGH!@#$"