[Tex2002ans]

Originally Posted by Dashcroft

I would like to automatically find and replace the spaces in "T. S. Eliot", "D. H. Lawrence", "F. R. Leavis" and similarly patterned names with non-breaking spaces.

I explained all of this (and other examples) in extreme detail in:

• 2021: "RegEx: Insert nbs between initials, etc."

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Side Note: If you wanted even more fantastic regex tips/tricks, see my posts a few months ago in:

• 2022: "False paragraph breaks & RegEx"

I linked to a ton of the previous topics + step-by-step breakdowns of helpful regular expressions.

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Originally Posted by Dashcroft

What am I doing wrong and what might help in this case?

And may I ask why you're trying to use NBSPs in your ebooks? Is there any specific reason or issue you were trying to solve?