html> <head><title>正则表达式</title></head> <body> <a href="./">返回列表</a><br> <form action="<?echo $PHP_SELF;?>" method="post"> URL:<input type="text" name="url" value="<?echo $url?>"><input type="submit" value="获取所有裢接"> </form> <? if(isset($url)){ echo "$url 有下列裢接:<br>"; $fcontents = file($url); while(list(,$line)=each($fcontents)){ while(eregi('(href[[:space:]]*=[[:space:]]*"?[[:alnum:]:@/._-]+"?)(.*)',$line,$regs)){ $regs[1] = eregi_replace('(href[[:space:]]*=[[:space:]]*"?)([[:alnum:]:@/._-]+)("?)',"\\2",$regs[1]); echo " $regs[1]<br>"; $line = $regs[2]; } } } ?> </body> </html> |