IsNumberString returns false for none integers

[Amir Sasson]

such as "-0.8" a valid numeric string, i get an error.
seems like the regex used to validate that missing a dot

[Michał Lytek]

This is the regex:
https://github.com/chriso/validator.js/blob/master/src/lib/isNumeric.js

If you think it's buggy, create an issue or PR on validator.js repository.

[Amir Sasson]

submitted a PR to validator JS