I am looking for regular expression code to delete apostrophes at the beginning and end of sentences.

[aylardananil]

Hi. I am looking for regular expression code to delete apostrophes at the beginning and end of sentences.
Example:
Before:
'You're beautiful, guys. Don't change a thing.'
After:
You're beautiful, guys. Don't change a thing.

[niksedk]

Something like this?

^' and '$

[sangacanga1]

Hi, I'm looking for something like this.
Example:
Before:
So, what's with the 'Bang-bang?'
After:
So, what's with the Bang-bang?