align-regexp

[bpatton]

Assume I have the collowing perl code

x(a , b , c)
x(abc , boo_bar , THIS_IS_A_LONG_VARIABLE);

How do I get align-regexp to align on all three commas?

x(a     , b          ,
c                                             );
x(abc , boo_bar , THIS_IS_A_LONG_VARIABLE);