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nineteen?

Decimal
examples
negative values not nineteen
input
-2.0.nineteen?
result
false
negative two point one nineteen
input
-2.1.nineteen?
result
false
negative one point zero nineteen
input
-1.0.nineteen?
result
false
negative one point one nineteen
input
-1.1.nineteen?
result
false
negative zero point one nineteen
input
-0.1.nineteen?
result
false
zero point zero nineteen
input
0.0.nineteen?
result
false
negative zero point one nineteen
input
-0.1.nineteen?
result
false
one point zero nineteen
input
1.0.nineteen?
result
false
negative one point one nineteen
input
-1.1.nineteen?
result
false
negative two point zero nineteen
input
-2.0.nineteen?
result
false
two point one nineteen
input
2.1.nineteen?
result
false
nineteen
input
19.0.nineteen?
result
true
nineteen point one nineteen
input
19.1.nineteen?
result
false