node-red-contrib-telnet-client/helper.js

bi-directional telnet client connection

 express.static.mime.define({ 'application/javascript': ['js'] });
  
const regIP = /^[A-Za-z0-9]+([\-\.]{1}[A-Za-z0-9]+)*\.[A-Za-z]{2,5}$/
const regURL = /^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/

export  function URLIP(s) { return regA.test(s) || regB.test(s) }