源代码 ：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>开源教程(ossoft.cn)</title> </head> <body> <script> var str = "123abc"; var patt1 = /^[0-9]+abc$/; document.write(str.match(patt1)); </script> </body> </html>
运行结果