Prefer String#startsWith() & String#endsWith() over RegExp#test() ​
💼 This rule is enabled in the ✅ recommended config.
🔧💡 This rule is automatically fixable by the --fix CLI option and manually fixable by editor suggestions.
Prefer String#startsWith() and String#endsWith() over using a regex with /^foo/ or /foo$/.
This rule is fixable, unless the matching object is known not a string.
Fail ​
js
const foo = /^bar/.test(baz);js
const foo = /bar$/.test(baz);Pass ​
js
const foo = baz.startsWith('bar');js
const foo = baz.endsWith('bar');js
const foo = baz?.startsWith('bar');js
const foo = (baz ?? '').startsWith('bar');js
const foo = String(baz).startsWith('bar');js
const foo = /^bar/i.test(baz);