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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
regarding this letter
Grammar usage guide and real-world examplesUSAGE SUMMARY
"regarding this letter" is a correct and usable phrase in written English.
You can use it when introducing the topic of a conversation or letter. For example: "Regarding this letter, I wanted to discuss the details of our upcoming project."
✓ Grammatically correct
Science
News & Media
Formal & Business
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
It goes on further to say "Do not regard this letter as another crank note from an 'over the hill' cantankerous curmudgeon, but rather be aware of my constructive sarcastic criticism for future reference".
News & Media
So his father sends the head a letter regarding this.
News & Media
Newton had himself made a justice of the peace in all the home counties there is a draft of a letter regarding this matter stuck into Newton's personal first edition of his Philosophiæ Naturalis Principia Mathematica which he must have been amending at the time.
Wiki
Acta Orthopaedica has asked Drs Lohmander and Frobell to answer the letter regarding this point.
Science
Owners of affected vehicles should receive letters regarding this repair.
News & Media
Owners of affected vehicles should receive letters regarding this extended warranty.
News & Media
I seem to recollect numerous angry letters and rebuttals regarding this very topic!
News & Media
Regarding the letter to the editor, "From a Possible Neighbor, A Few Random Thoughts" (Feb.
News & Media
Florence S. Pearlman is certainly living in the past regarding the letter written by Shelley B. Mayer [ Letters to Westchester Editor, March 30 ].
News & Media
I apologize for the limited response to the questions many of you have raised regarding the letter and its implications for the service.
News & Media
Regarding the letter (Feb. 1) that said of Winston Churchill, "even great men have the capacity to be evil".
News & Media
Expert writing Tips
Best practice
When starting a formal correspondence, using "regarding this letter" provides a clear and professional way to introduce the subject matter. Ensure the subsequent content directly addresses the letter mentioned.
Common error
Avoid using "regarding this letter" in casual or informal communications. Simpler alternatives like "about this letter" are more appropriate for less formal settings.
Source & Trust
78%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "regarding this letter" functions primarily as a prepositional phrase that introduces the subject or topic of a discussion or communication. It's used to specify what the subsequent message or conversation will be about. Ludwig AI confirms its proper use in written English.
Frequent in
News & Media
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Science
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Formal & Business
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Less common in
Wiki
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Academia
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Encyclopedias
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Ludwig's WRAP-UP
In summary, "regarding this letter" serves as a professional way to introduce the topic of a communication. Ludwig AI validates its correct usage, noting that it's best suited for neutral to formal contexts. While similar phrases like "concerning this letter" or "about this letter" can be used, the choice depends on the desired level of formality. It's crucial to avoid using it in very informal settings, where simpler alternatives are more appropriate. Although examples may be sparse, the phrase maintains grammatical correctness and a clear communicative purpose.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
concerning this letter
Replaces "regarding" with "concerning", a synonym with a slightly more formal tone.
in reference to this letter
Uses a more elaborate phrase, "in reference to", to introduce the topic, adding a touch of formality.
with respect to this letter
Employs "with respect to", another formal alternative, often used in legal or official contexts.
about this letter
Simplifies the phrase using "about", making it more direct and informal.
per this letter
Uses "per" to indicate "according to", providing a concise and slightly business-oriented tone.
in connection with this letter
Offers a more elaborate and formal phrasing, often used in legal or official correspondence.
relative to this letter
Suggests a comparison or relationship, making it suitable for analyses or comparative discussions.
on the subject of this letter
Clearly states the topic of discussion, suitable for introductions in formal settings.
as regards this letter
An older, somewhat archaic alternative to "regarding", suitable for historical contexts or to evoke a traditional feel.
in the matter of this letter
Implies a formal and serious context, appropriate for sensitive or legal communications.
FAQs
How can I use "regarding this letter" in a sentence?
You can use "regarding this letter" to introduce the main topic of your communication. For example, "Regarding this letter, I wanted to discuss the proposed changes to the contract".
What can I say instead of "regarding this letter"?
You can use alternatives like "concerning this letter", "in reference to this letter", or "about this letter", depending on the level of formality required.
Is "regarding this letter" formal or informal?
"Regarding this letter" is generally considered a neutral to formal expression, suitable for professional correspondence. For informal settings, "about this letter" may be more appropriate.
How does the meaning of "regarding this letter" differ from "in regards to this letter"?
"Regarding this letter" is the correct and preferred usage. "In regards to this letter" is often considered grammatically incorrect; using "regarding this letter" is more concise and grammatically sound.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
78%
Authority and reliability
4.1/5
Expert rating
Real-world application tested