Discussion on: JavaScript Functions That Will Make Your Life Much Easier [Updatable].

[TalOrlanczyk]

there is a method I use a lot when I need to submit urls

export const isUrl = (s) => {
  // eslint-disable-next-line
  var regexp = /(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/;
  return regexp.test(s);
};

[Youssef Zidan]

Excellent!