What's the difference between single and double quotes in Perl?

Question

In Perl, what is the difference between \' and \" ?

For example, I have 2 variables like below:

$var1 = \'\\(\';
$var2 = \"         


        

Answer 1

"" Supports variable interpolation and escaping. so inside "\(" \ escapes (

Where as ' ' does not support either. So '\(' is literally \(