Merge pull request #1673 from matrix-org/t3chguy/fix_op_slashcommand_for_negatives

Allow argument to op slashcommand to be negative as PLs can be -ve

src/SlashCommands.js

@@ -295,7 +295,7 @@ const commands = {
     // Define the power level of a user
     op: new Command("op", "<userId> [<power level>]", function(roomId, args) {
         if (args) {
-            const matches = args.match(/^(\S+?)( +(\d+))?$/);
+            const matches = args.match(/^(\S+?)( +(-?\d+))?$/);
             let powerLevel = 50; // default power level for op
             if (matches) {
                 const userId = matches[1];