DD geo coordinates regex

DD_geo_coordinates_regex.js

const lat1 = '-89.99151651';
const lon1 = '42.015332';
const lat2 = '-189.99151651';
const lon2 = '142.015332';
const lat3 = '189.99151651';
const lon3 = '242.015332';

const latRegX = /^(-)?(90(\.[0]+)?|[0-8]{0,1}[0-9](\.\d+)?)$/;
const lonRegX = /^(-)?(180(\.[0]+)?|[1]{0,1}[0-7]{0,1}[0-9](\.\d+)?)$/;

const lat1test = latRegX.test(lat1);
const lon1test = lonRegX.test(lon1);
const lat2test = latRegX.test(lat2);
const lon2test = lonRegX.test(lon2);
const lat3test = latRegX.test(lat2);
const lon3test = lonRegX.test(lon2);

console.log('lat1test, ' + lat1, lat1test);
console.log('lon1test, ' + lon1, lon1test);
console.log('lat2test, ' + lat2, lat2test);
console.log('lon2test, ' + lon2, lon2test);
console.log('lat3test, ' + lat3, lat3test);
console.log('lon3test, ' + lon3, lon3test);