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If the third place is 0-9, can it be together with the ones behind it?
It seems so, you see Master Miejie’s regular rules are written like this, \d{9}, I think it’s okay
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
It seems so, you see Master Miejie’s regular rules are written like this, \d{9}, I think it’s okay