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forty?

Decimal
examples
validation forty checker
input
-2.0.forty?
result
false
minus two point one forty
input
-2.1.forty?
result
false
minus one zero forty
input
-1.0.forty?
result
false
minus one point one forty
input
-1.1.forty?
result
false
minus zero point one forty
input
-0.1.forty?
result
false
zero zero forty
input
0.0.forty?
result
false
minus zero point one forty
input
-0.1.forty?
result
false
one zero forty
input
1.0.forty?
result
false
minus one point one
input
-1.1.forty?
result
false
minus two point zero forty
input
-2.0.forty?
result
false
two point one forty
input
2.1.forty?
result
false
forty zero forty
input
40.0.forty?
result
true
forty point one forty
input
40.1.forty?
result
false