Source Code : Brackets [] finds a range of characters.

PHP Is Open Source Programming Language You Can Download and use It, You required xampp server and wamp server . You download From xampp server from https://www.apachefriends.org/download.html. Click Here to download
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://php.net/. Click Here or search from google with Libraries Name you get jar file related it and also http://php.net/ is a official site

Brackets [] finds a range of characters.

 
Regexp [php] finds any string containing the character p or h. 

[09] matches any decimal digit from 0 through 9.
[az] matches any character from lowercase a through lowercase z.
[AZ] matches any character from uppercase A through uppercase Z.
[aZ] matches any character from lowercase a through uppercase Z.
  
  

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