Removing headers with up 5 characters in name would make SIP message invalid since many critical headers such as TO, FROM, and VIA etc. will also be removed. So, even if the regex works, Kamailio will NOT relay this SIP message.

Thank you.

On Tue, Jun 7, 2022 at 5:00 PM Patrick Karton <patrickarton@hotmail.com> wrote:

Hello

im trying to textops module to remove headers with name length less than 5 characters with regular expression but it seems impossible or the module does not handle $ char
remove_hf_re("^.{1,5}$")
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