.\" -*- nroff -*-
.TH TAPSET::REGEX 3stap "May 2021" "SystemTap Tapset Reference"
.SH NAME
tapset::regex \- systemtap regex tapset
 
.SH DESCRIPTION
.TP
.P
.TP
.B matched_str 
Return the last matched string.
.IP
See 
.IR function::matched_str (3stap)
 for details.
.P
.TP
.B matched 
Return a given matched subexpression.
.IP
See 
.IR function::matched (3stap)
 for details.
.P
.TP
.B ngroups 
Number of subexpressions in the last match.
.IP
See 
.IR function::ngroups (3stap)
 for details.

.SH SEE ALSO
.BR
.IR \%function::matched_str (3stap),
.BR
.IR \%function::matched (3stap),
.BR
.IR \%function::ngroups (3stap),
.BR
.IR \%stap (1),
.IR \%stapprobes (3stap)