JSFiddle - React, Tailwind, and code Playground
by Frank Liu
JavaScript
const reg = /^[0-9- +]{0,15}$/; // 电话号码正则
console.log('124 ',reg.test('124'));
console.log('12g4 ',reg.test('12g4'));
console.log('12.4 ',reg.test('12.4'));
console.log('12 4 ',reg.test('12 4'));
console.log('12-4 ',reg.test('12-4'));
console.log('12 4pp ',reg.test('12 4pp'));