Regular Expression for delimited email address

Question

i am looking for a regular express to validate a list of email addresses like the following

test1@abd.com;test.test@abc.com;test3@test.com

and

Answer 1

From: http://regexlib.com/RETester.aspx?regexp_id=1007

^(([a-zA-Z0-9_\-\.]+)@([a-zA-Z0-9_\-\.]+)\.([a-zA-Z]{2,5}){1,25})+([;.](([a-zA-Z0-9_\-\.]+)@([a-zA-Z0-9_\-\.]+)\.([a-zA-Z]{2,5}){1,25})+)*$