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