Retrieves the text matching the capturing parentheses named
name is a valid sub pattern name but it didn’t match anything
(e.g. sub pattern “X”, matching “b” against “(?P
The string is fetched from the string passed to the match function, so you cannot call this function after freeing the string.
Name of the subexpression.
|The data is owned by the caller of the function.|
|The string is a NUL terminated UTF-8 string.|