express js example
//to run : node filename.js
const express = require('express')
const app = express()
const port = 3000
app.get('/', (req, res) => res.send('Hello World!'))
app.listen(port, () => console.log(`Example app listening at http://localhost:${port}`))
//visit localhost:3000
// assuming you have done 1) npm init 2) npm install expresswidlicard in express router
//This route path will match acd and abcd.
app.get('/ab?cd', function (req, res) {
res.send('ab?cd')
})
//This route path will match abcd, abbcd, abbbcd, and so on.
app.get('/ab+cd', function (req, res) {
res.send('ab+cd')
})
//This route path will match abcd, abxcd, abRANDOMcd, ab123cd, and so on.
app.get('/ab*cd', function (req, res) {
res.send('ab*cd')
})
//This route path will match /abe and /abcde.
app.get('/ab(cd)?e', function (req, res) {
res.send('ab(cd)?e')
})
//This route path will match anything with an “a” in it.
app.get(/a/, function (req, res) {
res.send('/a/')
})
//This route path will match butterfly and dragonfly,
//but not butterflyman, dragonflyman, and so on.
app.get(/.*fly$/, function (req, res) {
res.send('/.*fly$/')
})Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
