validation 57 form validation 38 validator 27 data validation 19 input validator 13 form validator 13 express 11 react 11 input 10 javascript 10 form 10 form-validation 8 koa 8 validate 8 validation library 7 validation rules 7 custom validation 7 middleware 6 input-validation 6 email validation 6 typescript 6 nodejs 5 forms 5 security 5 ajv 5 swagger 5 open api 5 library 5 field validation 5 data integrity 5 input sanitization 5 backend 4 password validation 4 frontend 4 error handling 4 validatorjs 4 npm validator 4 react validator 4 react input validator 4 js validator 4 angular 4 client-side validation 4 assert 4 node 4 node validator 4 laravel 4 request 4 real-time validation 4 openapi 4 utility 4 sql injection 3 validation functions 3 validation tools 3 npm 3 node.js 3 common tasks 3 error 3 xss 3 JavaScript utilities 3 package 3 data sanitization 3 util functions 3 object validation 3 user input 3 fastify 3 validator for js 3 file validation 3 react form validation 3 error messages 3 server-side validation 3 data verification 3 input verification 3 html form validation 3 simple form validation 3 phone number validation 3 sanitise 3 util 3 checker 3 user input validation 3 regex validation 3 reactive forms 2 express-validator 2 React 2 data 2 check 2 helper functions 2 helper-functions 2 inquirer 2 frontend validation 2 javascript form validation 2 vanilla form validation 2 gdev validator 2 gdev validation 2 form error handling 2 gdev form validation 2 gdev form 2 gdev_form_validator 2 no javascript 2 no js 2 vanilla 2