Code example. #^[a-z0-9-]+\.[a-z0-9-\.]{2,8}$#si PHP: may i know what does the {2,8} means and what does the si means? Help appreciated alot.. thanks in advance
{2,8} = occurs >= 2 && occurs <= 8 i = case insensitive s = single line mode (dot matches any character even a new line)