htaccess规则。请高手帮写一下。多谢 _PHP

求一个htaccess规则。请高手帮写一下。谢谢
求一个htaccess规则

/tel/index.php?id=4 转换成下面这样

/4__tel/index.php

------解决方案--------------------
RewriteEngine on

RewriteCond %{REQUEST_FILENAME} !-d

RewriteCond %{REQUEST_FILENAME} !-f

RewriteRule ^.*/([0-9]+)__tel/index.php /tel/index.php?id=$1 [QSA,L]
------解决方案--------------------
([0-9]+) ,[]表示一个范围 0-9的任意一个数字！
------解决方案--------------------
apache 配置文件中的 rewrite_module 开了吗？
------解决方案--------------------

PHP code

方法1.    
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^(.*)$ index.php/$1 [QSA,L]
RewriteRule ^(.*)/([0-9]+)__tel/index.php $1/tel/index.php?id=$2 [QSA,L]

方法2.
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteBase /tel/
RewriteRule ([0-9]+)__tel/index.php index.php?id=$1 [QSA,L]