Fix multi-line captures

src/commands/cmd_macro.rs

@@ -10,7 +10,7 @@ extern crate serde_json;
 use serde_json::Result;
 
 extern crate regex;
-use regex::{Regex, Match};
+use regex::{Regex, RegexBuilder, Match};
 
 use core::option::Option;
 use std::collections::HashMap;
@@ -88,8 +88,12 @@ 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:
-                Regex::new(r#"^!macro\s+([A-Za-z0-9]+|"[^\s]+"|'[^\s]+')(?:\s+([A-Za-z0-9]+|"[^\s]+"|'[^\s]+')\s+(.+))?"#)
-                .unwrap(),
+                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)
+                    .build()
+                    .unwrap(),
             macros: macros,
         };
     }
@@ -148,7 +152,7 @@ impl CmdMacro {
     }
 
     fn save_json(&self) {
-        let mut file = OpenOptions::new()
+        let file = OpenOptions::new()
             .write(true)
             .open(MACRO_PATH)
             .unwrap();