js test if string
if (typeof string === 'string') { /* code */ };js test if string
if (typeof string === 'string') { /* code */ };javascript regex .test
const str = 'hello world!';
const result = /^hello/.test(str);
console.log(result); // true
/**
The test() method executes a search for a match between
a regular expression and a specified string
*/Copyright © 2021 Codeinu
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