In ra
default rtrim
input =| # default rtrim|
output =| # default rtrim|

---

# a space can be added (not at the end) as a parta space in the charlist
input = | # default rtrim|
output = | # default rtrim|

---

# specify a range of characters with ..trim a range of characters
input = ABCDEFGHIJKLMABCDEF
print output = ABCDEFGHIJKLM