Get coordinates received from Warn Family app.

regexp-txt-to-coords.js

var txt = 'Je suis actuellement aux coordonnées GPS suivante: 48.6597597 7.21657276 https://www.google.fr/maps/place/48.6597597+7.21657276'

function getCoords (txt) {
  var arr = txt.split(':')[1].replace('https', '').split(' ');
  arr.forEach(function (i, k) {
    if (i=='') arr.splice(k, 1);;
  });
  return {lat: arr[0], long: arr[1]};
}

console.log(getCoords(txt));