RegEx: Select everything between two characters?

Suppose that we are given a file with the following content
{2}{pair pair pair PA&PA®}

regex {([\s\S]+?)} highlights together with braces, how to exclude the brackets leaving just the content?
July 2nd 19 at 13:41
2 answers
July 2nd 19 at 13:43
{} ie just brackets with no content breaks all - vicky_Cartwright commented on July 2nd 19 at 13:46
: - kavon.Murphy commented on July 2nd 19 at 13:49
July 2nd 19 at 13:45
The option I prefer, but overall development still offer the option of lookaround:

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