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Highlight comments with a background color in the WordPress Comments Admin pages. Choose the criteria for highlighting a comment, add a note to show it with, and pick the highlight color.
This plugin is “for internal use” and only highlights comments within the WordPress Comments admin. The typical use case for this plugin is to inform/remind users about what to do for a particular type of comment. Examples:
<ul>
<li>
Comments from John Doe – Always approve unless it’s about topic XYZ
</li>
<li>
Comments from IP 12.34.56.78 – Give a personal, non-standard response to these comments
</li>
</ul>
You can highlight a comment based on the contents of the commentor’s name, email, or IP address.

Comment Moderation Highlights

Highlight comments in the Comments Admin. Pick a color, add a note.

Kostiantyn

The plugin checks the text of comments when they are added and, if it detects obscene (profan, foul) words, replaces them with the word you specified. You can add your own forbidden words. Latin and Cyrillic are supported.
<h4>Main features</h4>
<ul>
<li>Replacing profan words with your chosen word.</li>
<li>Checking comments when adding. Previously added comments will not be corrected.</li>
<li>Available settings: own bad words list, replacement word and its color.</li>
<li>You can replace foul words with one word, signs, a whole sentence, or just a space.</li>
<li>You can also add new obscene words in WP dashboard.</li>
<li>Plugin translated into languages: English, Russian, Ukrainian.</li>
</ul>

SpeedPlus AntiMat: Remove profanity in comments

The plugin checks the text of comments when they are added and, if it detects obscene (profan, foul) words, replaces them with the word you specified.

Comment Moderation Highlights vs SpeedPlus AntiMat: Remove profanity in comments