Using the Combo Blocks plugin, you can limit the “Post Excerpt” by word or character count. This article will help you limit the “Post Excerpt” by word count or character count.
To begin, insert a “Post Excerpt” block.
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Click on the “Post Excerpt” tab.
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Choose “Word” or “Character” from “Limit By” to limit them.
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Now on the “Limit Count” field, enter the value of the word or character you want to show on the post excerpt.
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You can use this method to set a word or character limit.