string.startsWith = function(s)
    return self.len >= s.len and s[:s.len] == s
end function

string.endsWith = function(s)
    return self.len >= s.len and s[-s.len:] == s
end function

string.findAll = function(s)
    result = []
    after = null
    while true
        foundPos = self.indexOf(s, after)
        if foundPos == null then return result
        result.push foundPos
        after = foundPos + s.len - 1
    end while
end function

first = "The brown dog jumped jumped and jumped"
second = "jumped"

firstQ = """" + first + """"  // (first string, in quotes)
secondQ = """" + second + """"
doesOrNot = [" does not ", " does "]

print firstQ + doesOrNot[first.startsWith(second)] + "start with " + secondQ
print

found = first.findAll(second)
if not found then
    print firstQ + " does not contain " + secondQ + " anywhere"
else
    for pos in found
        print firstQ + " is found at position " + pos + " in " + secondQ
    end for
end if
print

print firstQ + doesOrNot[first.endsWith(second)] + "end with " + secondQ