Return the 1-based index of the named sub-pattern, or -1.
Declared in <bdlpcre_regex.h>
int
subpatternIndex(char const* name) const;Return the 1-based index of the sub-pattern having the specified name in the pattern held by this regular-expression object (pattern()); return -1 if pattern() does not contain a sub-pattern identified by name or name is not unique. The behavior is undefined unless isPrepared() == true. Note that the returned value is intended to be used as an index into the bsl::vector<bsl::pair<int, int> > returned by match. Also note that the function namedSubpatterns can be used to find the sub-pattern index when there are duplicate named sub-patterns.
1-based sub-pattern index, or -1 if not found or not unique
| Name | Description |
|---|---|
| name | null-terminated name of the sub-pattern |