Get shortest possible groups in a string using regex

Question

I have a long string where I need to find all the shortest groups. Currently what is happening is I\'m getting 2 groups, one of which contains all the data in between(it could h

Answer 1

START[0-9]+(?:(?!\\bSTART).)*?/END TAG

You can try this.See demo.The lookahead will not allow another START in between your groups.

https://regex101.com/r/cJ6zQ3/21