Help in regular expression

[kks_krishna]

 

HI,

 

I want replace the given string. The following are my requirements:

 

eg. input string is " Hibernate Interc$%eptors - An Introduction EJB 3.0"

 

the output string should be " Hibernate-Interceptors-An-IntroductionEJB-3-0"

 

special characters should be removed. please help me.dot shd be replaced with "-".

 

Thanks,

Krishna

[neel_basu]

echo preg_replace('/([^\w])/', '', $str);

 

Here $str is the Original String.