client/src/app/shared/forms/form-validators/url.validator.ts

   1 import { FormControl } from '@angular/forms';
   2
   3 export function validateUrl(c: FormControl) {
   4   let URL_REGEXP = new RegExp('^https?://(www\.)?[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\\b([-a-zA-Z0-9@:%_\+.~#?&//=]*)$');
   5
   6   return URL_REGEXP.test(c.value) ? null : {
   7     validateUrl: {
   8       valid: false
   9     }
  10   };
  11 }