regex101: JavaScript Match Workspace

Pro

Non-Capturing Group(?:import|require)

1st Alternativeimport

importthe literal text import (case sensitive)

2nd Alternativerequire

requirethe literal text require (case sensitive)

.*?any character (except for line terminators), repeated any number of times

Group 1(['"].*utilities(\/utilities)?(.js)?['"])

Character Class['"]

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

.*any character (except for line terminators), repeated any number of times

utilitiesthe literal text utilities (case sensitive)

Group 2(\/utilities)?

?repeats the group contents below at most once:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

utilitiesthe literal text utilities (case sensitive)

Group 3(.js)?

?repeats the group contents below at most once:

.any character (except for line terminators)

jsthe literal text js (case sensitive)

Character Class['"]

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

26 tokens

Regular Expression

(?:import|require).*?(['"].*utilities(\/utilities)?(.js)?['"])

New

const utils = require('../../../utilities/utilities');
const utilities = require('../../../../../utilities/utilities.js')
const utils = require('./utilities.js')
import { someFunction } from '../../../utilities/utilities.js'

Substitution

const utils = require('../../../utilities/utilities');
const utilities = require('../../../../../utilities/utilities.js')
const utils = require('./utilities.js')
import { someFunction } from '../../../utilities/utilities.js'