tapset::regex - systemtap regex tapset

matched_str
              Return the last matched string.

              See function::matched_str(3stap)
               for details.

       matched
              Return a given matched subexpression.

              See function::matched(3stap)
               for details.

       ngroups
              Number of subexpressions in the last match.

              See function::ngroups(3stap)
               for details.

       tapset::regex - systemtap regex tapset

function::matched_str(3stap),      function::matched(3stap),      function::ngroups(3stap),      stap(1),
       stapprobes(3stap)

SystemTap Tapset Reference                         April 2024                               TAPSET::REGEX(3stap)