If you use SharePoint and get data from lists with JavaScript, once you will receive SharePoint lookup value which looks like '34;#Item title'. There is a way to parse this data with Regular expression and to convert it to an object.

I have created a small method to make it easier. In my case I have got values from parent list of employees. My method returns an object with properties 'id' and 'fullname':

Regular expressions is one of the best ways to work with text. One popular task for Regexp is to get a part of word or expression.Let’s try to get first part from word "Heli-copter", the part that before character "-".  (read more...)

Using "System.Text.RegularExpressions" in C# you have a lot of abilities to work with text. One of practice of using System.Text.RegularExpressions is working with IP addresses. (read more...)