Regular expression to get a string between two strings in Javascript

Question

I have found very similar posts, but I can\'t quite get my regular expression right here.

I am trying to write a regular expression which returns a string which is b

Answer 1

If the data is on multiple lines then you may have to use the following,

/My cow ([\s\S]*)milk/gm

My cow always gives 
milk

Regex 101 example