Converts a string to upper capitalization.
This function is the alias for the toupper() function.
upper($group)
or
upper(string)
Requires a single argument of a string value (named group or constant).
The same string in upper capitalization.
Dataset
XPDL rule
Result
I like this book.
rule: r1
{
query: {stem(verb)}:1
result: Match = upper($1)
}
LIKE
SHE LIKES THIS BOOK.
LIKES
he likes books.
We LikE BooKs.