Used and loved by millions
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 which topics
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "regarding which topics" is correct and usable in written English.
It can be used when you want to specify or inquire about particular subjects or areas of discussion. Example: "I would like to know more about the issues regarding which topics we will be focusing in the upcoming meeting."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(1)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
1 human-written examples
In addition to the frequency of information and emotional topics, respondents were asked about their experience regarding which topics relatives needed to discuss most during the PGIR within an open-ended question, which was subsequently categorised (sums add up to more than 100% due to multiple answers).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
She leaves the decision regarding which topic should be focused on first to the group.
Science
We focus attention here on the role of drift, purifying, and positive selection on the evolution of mtDNA in Metazoa, a topic regarding which available data are sometimes inconsistent and highly debated.
Science
There are a few topics which need to be addressed regarding which variants should be included in such an analysis.
To guide topic selection, input was also solicited in the survey regarding which guidelines were needed the most.
Science
However, a multicentre randomized trial on this topic would present large practical and methodological challenges, both regarding which time frames to use (intervention) and how to apply sample frames and randomization across hospitals.
In depth perusal of a topic with 11 meta-analyses with similar eligible interventions and similar eligible settings showed some variability regarding which studies were included, but the results were similar.
Science
The decision regarding which data extraction method to use involved consideration of a range of factors including the nature and complexity of the question and the need to balance consistency, comprehensiveness and question coverage across both TBI and SCI topics.
And which topics are good?
News & Media
Which topics are hot?
Science & Research
Which topics do you excel at?
News & Media
Expert writing Tips
Best practice
Consider using simpler alternatives like "about which topics" or "concerning which topics" in less formal settings to improve readability.
Common error
Avoid using "regarding which topics" in casual conversation or informal writing. Simpler phrases such as "what topics" or "about which topics" are generally more appropriate and sound more natural.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "regarding which topics" functions as a prepositional phrase introducing a clause that specifies the subject or area of concern. It's used to narrow down a broad subject into more specific categories, as seen in the Ludwig example provided.
Frequent in
Science
45%
News & Media
30%
Academia
25%
Less common in
Wiki
0%
Encyclopedias
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, "regarding which topics" is a grammatically sound phrase used to specify subjects of concern within a broader context. As confirmed by Ludwig AI, its usage is acceptable across various domains, although it leans towards formality. While commonly found in scientific and news media sources, simpler alternatives like "about which topics" may be more suitable for informal settings. When using this phrase, ensure that it aligns with the overall tone of your writing and clearly indicates a focus on specific subjects.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
concerning what subjects
Replaces "regarding which topics" with "concerning what subjects", offering a more direct and slightly less formal tone.
about what topics
Uses "about" instead of "regarding which", resulting in a simpler and more conversational phrasing.
on what subjects
Substitutes "regarding which topics" with "on what subjects" which is a more concise alternative.
in relation to what topics
Replaces "regarding which topics" with "in relation to what topics", adding a sense of formality and precision.
with respect to what topics
Replaces "regarding which topics" with "with respect to what topics", providing a formal and academic tone.
in connection with which topics
Emphasizes a link or association between the subject and the topics being discussed.
pertaining to what topics
Offers a formal and specific alternative, suitable for legal or technical contexts.
as to what topics
Presents a direct and somewhat concise alternative, suitable for inquiries or clarifications.
respecting what topics
Replaces "regarding which topics" with "respecting what topics", conveying a sense of deference or consideration.
in regards to what topics
Uses "in regards to" instead of "regarding which", but it should be noted that "in regard to" is generally considered more grammatically correct.
FAQs
How can I rephrase "regarding which topics" for clarity?
You can use simpler alternatives like "about which topics", "concerning which topics", or directly ask "what topics" depending on the context.
Is "regarding which topics" appropriate for formal writing?
Yes, /s/"regarding which topics" is suitable for formal and academic writing. However, ensure the surrounding language is also consistent in formality.
What's the difference between "regarding which topics" and "about which topics"?
"Regarding which topics" is slightly more formal than /s/"about+which+topics". The latter is generally more common in everyday language.
Can I use "in regards to which topics" instead of "regarding which topics"?
While some may use /s/"in+regards+to+which+topics", the more grammatically sound option is "in regard to which topics" or simply "regarding which topics".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested