@silen/is-reg-exp

Check if the parameter is regexp

Usage no npm install needed!

<script type="module">
  import silenIsRegExp from 'https://cdn.skypack.dev/@silen/is-reg-exp';
</script>

README

is-reg-exp

Determine if a value is RegExp

install

npm i @silen/is-reg-exp

api

  • declare function isRegExp(val: any): boolean;

usage

const { isRegExp } = require('@silen/is-reg-exp');
// or
import { isRegExp } from '@silen/is-reg-exp';

console.log(isRegExp(new Buffer(4)));
console.log(isRegExp(Buffer.alloc(4)));
console.log(isRegExp(undefined));
console.log(isRegExp(null));
console.log(isRegExp(''));
console.log(isRegExp(true));
console.log(isRegExp(0));
console.log(isRegExp(1));
console.log(isRegExp(1.0));
console.log(isRegExp('string'));
console.log(isRegExp({}));
console.log(isRegExp(function foo() {}));
console.log(isRegExp(Symbol()));
console.log(isRegExp(new Set));
console.log(isRegExp(new Map));
console.log(isRegExp(new WeakMap));
console.log(isRegExp(new WeakSet));

// or
console.log(window.Type.isRegExp(new WeakSet));

This is a demo for testing the usage of isRegExp from @silen/is-reg-exp module. You can try the others and do likewise.

others