专注前端素材！
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>素材8网教程(study.sucai8.cn)</title> </head> <body> <script> var str="Hellooo World! Hello Runoob!"; var patt1=/o+/g; document.write(str.match(patt1)); </script> </body> </html>
运行结果