constrained by constrained with

[Daemon99]

1) He was constrained by some rules.
2) He was constrained with some rules.
Can someone please tell me which of the above sentences is correct?
_________________
Non-native speaker of English
=================================
I intend to live forever - so far, so good.

[Skrej]

Either is correct.

I see little semantical difference between the two.
_________________
Plan to be spontaneous tomorrow.
***
Did you hear they arrested the Energizer Bunny on battery charges?
***

[Morteza]

Hi,
I looked it up in Longman Dictionary,but I only found "be constrained BY".
Hope that helps!
Morteza