EdgeList

EdgeList[g] gives the list of edges in graph g.

Examples

Get edges from a graph:

g = Graph[{1 <-> 2, 2 <-> 3, 3 <-> 1}]

EdgeList[g]
(* {1 <-> 2, 2 <-> 3, 1 <-> 3} *)

Length[EdgeList[CompleteGraph[5]]]
(* 10 *)

Please visit the official Wolfram Language Reference for more details.