The avatar for @kelleyvanevert
Kelley van Evert
Public
Fun
Edited
Jun 14, 2018
Fun
Kabouter Wesley speech balloons
A context-free grammar for palindrome numbers that use a dot to separate thousands
No more looking up Unicode characters!
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tests = [
['', false],
['0', true],
['1', true],
['11', true],
['121', true],
['.121', false],
['121.', false],
['124', false],
['1221', false],
['12.21', false],
['122.1', false],
['1.221', true],
['12.321', true],
['33.133', true],
['34.643', true],
['23.455.432', true],
['23.455432', false],
['123.456.654.321', true],
['123.456.654321', false],
['1234566543.21', false],
['.123.456.654.321', false],
]
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