Finding duplicate emails

Sometimes we need to check one list against another to find duplicates or to get a list of unique addresses. Doing so manually can be an onerous chore and is subject to human error. This code from Willmaster will do it for you. It will also extract emails from a block of text and place them each on a new line, if you enter your text in the first box.

Compare Email Addresses willmaster.com logo
Version 1.0

Email Addresses

This will extract the email addresses from one or both text boxes and
compare them. Comparisons are case-insensitive.

Text containing email addresses:


More text containing email addresses:


Specify:
Find and display duplicate email addresses.
Find and display unique email addresses.


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