Regex bug

[Georgezxh]

Description

Hi. The code below does not have the same output as other engines (e.g., V8 in Google Chrome,SpiderMonkey in Firefox,chakra in Edge,quickjs,jerryscript).

JerryScript revision

3.0.0

Build platform

ubuntu20.04

Test case

var regex=/(?:(\s)((?:\w*\1)){1,8}){2,5}/ regex.exec(" A B C D E F G H I ")

Output

A B C D E F G H I , ,I

Expected behavior

A B C D E F G H , ,