IPv4 validation

Published on Tue Mar 01 2022

validate an IP v4

Additional matching regexes for
IPv4 validation

Date: DD-MM-YYYY hh:mm:ss

Validate and capture dateTime parts, includes validation for leap years, range 1000-2999. Fixed bug

Email

This is a bit simpler version that is **still quite robust.** It was taken from [a Formik example.](https://formik.org/docs/guides/validation#validate)

css attribute validation

css attribute validation

us phone number validation

us phone number validation

US City Validation

United States City name validation

Email validation

Very crude, but effective email validation.

date validation

Validation for date 2013.12.24 14:50

Github URI Validator

Validate Github URI

Website validation

Simple website validation for your casual usage

IPv4 validation

validate an IP v4