This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
// I have trouble to define those dots between which can be a lots of various characters
Here is the issue. What is those dots supposed to represent? If they are dots, then you can split like with ... "b\\.\\. \\.\\.c". If they are to represent any number of any characters, then you can split like with ... "b.*?c". We need some more examples, which doesn't use dots to clarify.