diff --git a/cogs/message_listener/__init__.py b/cogs/message_listener/__init__.py
index da7d7d3..6c08ee3 100644
--- a/cogs/message_listener/__init__.py
+++ b/cogs/message_listener/__init__.py
@@ -2,11 +2,14 @@
 Defines cog for on message listener.
 """
 
+import re
+
 from nextcord.ext import commands
 import nextcord
 
 from cogs.submission.submission_views import SubmissionState  # pylint: disable=import-error
 from cogs.submission.submission_views import get_submission_embed  # pylint: disable=import-error
+from highscores import highscores_config  # pylint: disable=import-error
 from highscores import highscores_data  # pylint: disable=import-error
 from highscores import submission_objects  # pylint: disable=import-error
 
@@ -26,15 +29,34 @@ class SubmissionListener(commands.Cog, name="Message Listener"):
                 highscores_data["submission_channel_id"]
             ).fetch_message(message_id)
 
-            # TODO want to regex score to ensure it is correct.
-            # # here is also where score can be standardized in look
-
             # need check if correct user and correct channel
             if message.channel.id == highscores_data["submission_channel_id"]:
                 state = submission_objects[message.author.id]["submission_state"]
                 if state == SubmissionState.SCORE and message.content:
-                    submission_objects[message.author.id]["score"] = message.content
-                    embed = get_submission_embed(message.author.id)
+
+                    # check with regex if score matches correctly
+                    is_time_record = highscores_config["categories"][
+                        submission_objects[message.author.id]["category"]
+                    ]["is_time_record"]
+
+                    time_regex = re.search(
+                        "([0-9]{2}:)?[0-9]{2}(\.[0-9])?",  # pylint: disable=anomalous-backslash-in-string
+                        message.content,
+                    )
+                    int_regex = re.search("[0-9]+", message.content)
+                    if time_regex is None and is_time_record:
+                        embed = submission_message.embeds[0]
+                        embed.add_field(
+                            name="Error",
+                            value="Time record must follow format MM:SS.ms or SS.ms or SS.",
+                        )
+                    elif int_regex is None and not is_time_record:
+                        embed = submission_message.embeds[0]
+                        embed.add_field(name="Error", value="Number record must only be number.")
+                    else:
+                        submission_objects[message.author.id]["score"] = message.content
+                        embed = get_submission_embed(message.author.id)
+
                     await submission_message.edit(
                         embed=embed,
                     )