实地培训
证书培训
远程培训
<html> <head> <title>Untitled</title> </head> <body> <?php $in="2344"; if(ereg("^(-{0,1}|\+{0,1})[0-9]+(\.{0,1}[0-9]+)$",$in)) echo "Ok!"; else echo "Sorry,Please input again!"; ?> <br>很简单的嘛！ </body> </html>
