Multi Execute will replace every selection in the current editor with the evaluation of a javascript expression independently. This allows for significantly easier complex editing with multiple cursors.
Command: multi-execute.execute
JavaScript Parameters
x: The string value of the current selection
i: The index of the selection
n: The total # of selections
l: The index of the last selection
a: The readonly array of all selections
Examples
x + i: Append an incrementing value starting from 0 to the end of each selection
a[l - i]: Reverse the order of the selections