[texhax] Last char of a string

Uwe Lueck uwe.lueck at web.de
Thu Jul 7 15:37:57 CEST 2011

"Michael Barr" barr at math.mcgill.ca[mailto:barr at math.mcgill.ca] wrote 07.07.2011 15:05:53

> Is there any easy way to find the last character of a string?
> Why? Well the online journal I do the tex editing for uses runin
> subsection titles. They have to end with a period or other punctuation.
> So I want to look at the last character of the title and add a period
> unless it already is a period (or question mark or even an exclamation
> point).

What was wrong with Donald's earlier answer to your same question earlier?


I proposed then




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