fix incorrect regular expressions for uint base types #605
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fjl
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Closes #556.
The issue with the suggested update to the regex
^0x([1-9a-f][0-9a-f]{0,63})|0$was that it allowed0xanything0to be valid. This issue also exists in the current implementation, which is why the test "works fine," as @fvictorio mentioned. My updated regex addresses all the problems mentioned in the issue and fixes the|0edge case.My proposed regex: