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 = "http://www.runoob.com:80/html/html-tutorial.html"; var patt1 = /(\w+):\/\/([^/:]+)(:\d*)?([^# ]*)/; arr = str.match(patt1); for (var i = 0; i < arr.length ; i++) { document.write(arr[i]); document.write("<br>"); } </script> </body> </html>
运行结果