Regex to match all the words looking for

Question

Match all the number or word in the same tag using RegEx.

I am trying to match all the number or word in the sentence below.

Sentence: <tag>123<tag>abc<tag>efg<tag>456<tag>

I am using below RegEx expression

RegEx: <tag>(.*?)<tag>

But it can only capture '123' and 'efg'.

May I know how can I capture all the contents (123,abc,efg,456) in the tag?