feat: support numberic string

[UNDERCOVERj]

I want to express number string。just use z.string().numeric() to replace z.string().regex(/^[0-9]*$/)

https://github.com/colinhacks/zod/issues/1240

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[RobinTail]

what about negative and float numbers?

[UNDERCOVERj]

what about negative and float numbers?

I think you are right，I think there should have a way for users to provide custom validators for ZodString

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.