isRegExp#

Check if the given value is a RegExp.

Usage Scenarios#

• Pattern Validation: Verify if a value is a RegExp before using pattern matching.
• Function Parameter Validation: Ensure parameters are RegExp objects before operations.
• Type Safety: Maintain type safety when working with regular expressions.

Examples#

import { isRegExp } from 'funtool';

isRegExp(/abc/); // ✅ true
isRegExp(new RegExp('abc')); // ✅ true
isRegExp('abc'); // ❌ false
isRegExp({}); // ❌ false

Signature#

function isRegExp(v: any): v is RegExp

Parameters#

• v (any): The value to test if it is a RegExp.

Returns#

• (v is RegExp): Returns true if the value is a RegExp, otherwise returns false.