Fix regex match for remove

src/commands/cmd_macro.rs

@@ -6,8 +6,6 @@ use serenity::{
 };
 
 extern crate serde_json;
-//use serde::{Deserialize, Serialize};
-use serde_json::Result;
 
 extern crate regex;
 use regex::{Regex, RegexBuilder, Match};
@@ -88,7 +86,7 @@ impl CmdMacro {
         let macros: HashMap<u64, HashMap<String, String>> = serde_json::from_reader(reader).unwrap_or(HashMap::<u64, HashMap<String, String>>::new());
         return CmdMacro {
             format:
-                RegexBuilder::new(r#"^!macro\s+([A-Za-z0-9]+|"[^\s]+"|'[^\s]+')(?:\s+([A-Za-z0-9]+|"[^\s]+"|'[^\s]+')\s+(.+))?"#)
+                RegexBuilder::new(r#"^!macro\s+([A-Za-z0-9]+|"[^\s]+"|'[^\s]+')(?:\s+([A-Za-z0-9]+|"[^\s]+"|'[^\s]+'))?(?:\s+(.+))?"#)
                     .multi_line(true)
                     .dot_matches_new_line(true)
                     .case_insensitive(true)

src/main.rs

@@ -57,7 +57,7 @@ fn main() {
     println!("Leo42 v{} is starting in {}", crate_version!(), env::current_dir().unwrap().to_str().unwrap());
     let token = env::var("DISCORD_TOKEN")
         .expect("Expected a Discord API token in DISCORD_TOKEN environment variable");
-    let mut event_handler = Handler::new();
+    let event_handler = Handler::new();
     // register commands;
     let mut commands = std::vec::Vec::<Box<dyn traits::Command>>::new();
     commands.push(Box::new(commands::CmdMacro::new()));