function::matched(3stap) — Linux manual page

FUNCT...ATCHED(3stap) A collection of standard strinFUNCT...ATCHED(3stap)

NAME         top

       function::matched - Return a given matched subexpression.

SYNOPSIS         top

           matched:string(n:long)

ARGUMENTS         top

       n
           index to the subexpression to return. 0 corresponds to the
           entire regular expression.

DESCRIPTION         top

       returns the content of the n'th subexpression of the last
       successful use of the =~ regex matching operator. Returns an empty
       string if the n'th subexpression was not matched (e.g. due to
       alternation). Throws an error if the last use of =~ was a failed
       match, or if fewer than n subexpressions are present in the
       original regexp.

SEE ALSO         top

       tapset::regex(3stap)

COLOPHON         top

       This page is part of the systemtap (a tracing and live-system
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       This page was obtained from the project's upstream Git repository
       ⟨git://sourceware.org/git/systemtap.git⟩ on 2025-02-02.  (At that
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SystemTap Tapset Reference    November 2024         FUNCT...ATCHED(3stap)

Pages that refer to this page: tapset::regex(3stap)

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