function::matched.3stap - Man Page
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 Also0
tapset::regex(3stap)
Info
April 2024 SystemTap Tapset Reference A collection of standard strin