Need GREP Help

Hi ALL,

I hope simple request for you...

I want to find the word start with http:// or www.

(find all url words start with http://or www.)

How can we catch using in GREP or TEXT.

one more question:

In Grep we are using .+ to find n number of characters

In Text what we used?

Could anyone help for my request.

Thanks in advance

Beginner