[PHP] PHP preg_match_all()

[Jay Fitzgerald]

I am having to edit a php script that one of our previous employees had 
written and I am having a problem understanding the preg_match_all function.

preg_match_all("|<img src=/news/(.*)>|U", $read, $result2);

here is what I THINK I know: The | at the beginning signifies the start of 
the text to search for, then the actual text to search <img src=/news/(.*)> 
- the (.*) means to include everything after the / in the search as 
well....what I dont quite understand is what the |U is actually 
doing....then it tells the function what variable to $read and what new 
variable to store in: $result2....

can anyone fill me in if my logic is not correct and what exactly the |U is 
doing in this function?

Jay Fitzgerald, Design Director - CPW-A, CPWDS-A, CPWDV-A, CECM-A, CWCSB-A
Bayou Internet - http://www.bayou.com
Toll Free: 888.30.BAYOU (22968)
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