FUNCTION::MATCHED(3stap)A collection of standard strinFUNCTION::MATCHED(3stap)

NAME
       function::matched - Return a given matched subexpression.

SYNOPSIS
           matched:string(n:long)

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

DESCRIPTION
       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
       tapset::regex(3stap)



SystemTap Tapset Reference         June 2018          FUNCTION::MATCHED(3stap)