Slack does not recognise email address as an entity

Rasa Open Source
1

I want to take email address as input from user. I have tested this feature on rasa shell mode but when i try this in slack it does not work as expected.

here is the chunk of debugging where i take email address as input from user:

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My observation is that when i input email address in slack so it detects it as ‘mailto:zainrajani93@gmail.com|zainrajani93@gmail.com’ but in shell mode it just picks the raw text. I can’t resolve this issue in slack. I have searched for the documentation on slack website and tried to change slack.py function as per the documentation:

async def send_text_message(
    self, recipient_id: Text, text: Text, **kwargs: Any
) -> None:
    recipient = self.slack_channel or recipient_id
    for message_part in text.split("\n\n"):
        super(SlackBot, self).api_call(
            "chat.postMessage",
            channel=recipient,
            as_user=True,
            text=message_part,
            type="mrkdwn",
        )

to

async def send_text_message(
    self, recipient_id: Text, text: Text, **kwargs: Any
) -> None:
    recipient = self.slack_channel or recipient_id
    for message_part in text.split("\n\n"):
        super(SlackBot, self).api_call(
            "chat.postMessage",
            channel=recipient,
            as_user=True,
            text=message_part,
            type="plain_text"
        )

still the problem is not resolved

I just need to figure out a way to detect input text as raw text without any formatting in slack

Need help on this issue asap

2

How are you extracting the email when using shell? Maybe you extend it with a regex that covers MD as well as plaintext

3

I didn’t change anything in shell mode, its the same way. Slack recognizes it as email address and formats it as mailto:email|email, while shell mode parses the raw text.

Can you elaborate on regex part?

4

I mean this, you can use regular expressions to help the entity extractor. Basically you can add something like (?:mailto:(?:\w+@\w+\.\w+)\|)?(?:\w+@\w+\.\w+) to you training data which would match both mail@something.com as well as mailto:mail@something.com|mail@something.com. (This is probably not the perfect regex for the job but you get the idea).