Merge pull request #209 from NatLeong/fix-check-input

Fix check command to accept complete NRIC with lowercase

src/main/java/seedu/address/logic/parser/CheckCommandParser.java

@@ -18,7 +18,7 @@ public class CheckCommandParser implements Parser<CheckCommand> {
      */
     public CheckCommand parse(String args) throws ParseException {
         requireNonNull(args);
-        String trimmedArg = args.trim();
+        String trimmedArg = args.trim().toUpperCase();
         if (trimmedArg.isEmpty()) {
             throw new ParseException(
                     String.format(MESSAGE_INVALID_COMMAND_FORMAT, CheckCommand.MESSAGE_USAGE));