The LaTeX Project Team submitted an update to the l3kernel package. Version: 2026-01-19 License: lppl1.3c Summary description: LaTeX3 programming conventions Announcement text:

## [2026-01-19] ### Fixed - Implementation of `\tl_if_regex_match:nN(TF)` (issue \#1836)

This package is located at https://mirrors.ctan.org/macros/latex/required/l3kernel More information is at https://ctan.org/pkg/l3kernel

Thanks for the upload. For the CTAN Team Manfred Lotz CTAN is run entirely by volunteers and supported by TeX user groups. Please join a user group or donate to one, see https://ctan.org/lugs .