Insert newlines with vim

Question

How to insert newlines in vim?

For example in a file containing

test-classes; classes; xmlunit-1.3.jar

I am looking for the vim equivalent of sed command

sed -i 's/; /\n/g' classpath

to obtain

test-classes
classes
xmlunit-1.3.jar

Answer 1

You almost got it right, just use \r instead of \n:

:%s/; /\r/g