RosettaCodeData/Task/Range-expansion/Lingo/range-expansion-1.lingo

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-- Note: currently does not support extra white space in input string
on expandRange (str)
res = ""
_player.itemDelimiter = ","
cnt = str.item.count
repeat with i = 1 to cnt
part = str.item[i]
pos = offset("-", part.char[2..part.length])
if pos>0 then
a = integer(part.char[1..pos])
b = integer(part.char[pos+2..part.length])
repeat with j = a to b
put j&"," after res
end repeat
else
put part&"," after res
end if
end repeat
delete the last char of res
return res
end