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HELP! How to remove 'RE:' and 'FW:' from Email with Power Automate

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Posted on by AmirrulHakim

Hi all,

Im rather new to Power Automate and also new to this community. Just trying my luck here to seek some guidance from the community. Im having 2 issues.

First Issue: I am facing an issue whereby the email that I am forwarding/replaying to contains either 'RE: ' or 'FE: ' at the front of the subject header. I need help to remove this. Currently im using this expression based on what i found in the community, but it doesnt seem to work.

replace(replace(triggerOutputs()?['body/subject'],'RE: ',''),'FW: ','')"

Second Issue: I am facing an issue whereby the email that I am forwarding/replaying to contains the old email tread in the email body. I need help to remove the content of the old email. I currently dont have a solution for this.

Can refer to below my current Flow.

Greatly appreciate your help everyone. Good day to you guys.

Amirrul Hakim

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sandeepstw 312 Moderator on at

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Hi There,

You are correct with 'replace' function. Also make sure you are using correct path to fetch email subject. You can trim white spaces after replace action. for example -
trim(replace(replace(triggerOutputs()?['headers']['Subject'], 'RE: ', ''), 'FW: ', ''))
For second issue, You can use the split function and pick the first part. This might not be foolproof but could work for many cases -
split(triggerOutputs()?['body'], '--- Original Message ---')[0]

Please give kudos and mark as solution if it helps.

Thanks,
Sandeep Mishr
AmirrulHakim 4 on at

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Thanks sandeepstw.

First Issue: Using your new expression, I tried to run the flow and the result still showing 'RE: ' or 'FW: '. Its the same as before. Could it be that my current flow is wrong?
Thank you
Amirrul Hakim
sandeepstw 312 Moderator on at

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Hi,
Also, make sure you are using the correct path to fetch the email subject. So print it somewhere and see it is fetching subject to replace.
AmirrulHakim 4 on at

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Can refer to below picture. Below is the result of the flow when it runs. It still has the 'FW:' and the old email content.
This is the current flow im using.
sandeepstw 312 Moderator on at

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Hi,

I can't see the picture. Did you attach a picture to it?