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preg_match_all('/([^"\'`])(https?:\/\/[a-zA-Z0-9_\?=%&#\.\/-]+?)([^a-zA-Z0-9_\?=%&#\.\/-])/Usi',$content,$out,PREG_SET_ORDER);
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
preg_match_all('/([^"\'`])(https?:\/\/[a-zA-Z0-9_\?=%&#\.\/-]+?)([^a-zA-Z0-9_\?=%&#\.\/-])/Usi',$content,$out,PREG_SET_ORDER);