Returns the volatile placeholder names referenced by a template's text, in registry order.
Matches whole identifiers only, so _CURRENT_DATE does not match inside _CURRENT_DATE_AND_TIME
(both are volatile, but each is reported for itself). Empty array for empty/null text.
Returns the volatile placeholder names referenced by a template's text, in registry order. Matches whole identifiers only, so
_CURRENT_DATEdoes not match inside_CURRENT_DATE_AND_TIME(both are volatile, but each is reported for itself). Empty array for empty/null text.