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							- 'use strict';
 
- var $TypeError = require('es-errors/type');
 
- var regexExec = require('call-bound')('RegExp.prototype.exec');
 
- var Call = require('./Call');
 
- var Get = require('./Get');
 
- var IsCallable = require('./IsCallable');
 
- var isObject = require('../helpers/isObject');
 
- // https://262.ecma-international.org/6.0/#sec-regexpexec
 
- module.exports = function RegExpExec(R, S) {
 
- 	if (!isObject(R)) {
 
- 		throw new $TypeError('Assertion failed: `R` must be an Object');
 
- 	}
 
- 	if (typeof S !== 'string') {
 
- 		throw new $TypeError('Assertion failed: `S` must be a String');
 
- 	}
 
- 	var exec = Get(R, 'exec');
 
- 	if (IsCallable(exec)) {
 
- 		var result = Call(exec, R, [S]);
 
- 		if (result === null || isObject(result)) {
 
- 			return result;
 
- 		}
 
- 		throw new $TypeError('"exec" method must return `null` or an Object');
 
- 	}
 
- 	return regexExec(R, S);
 
- };
 
 
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