This regular expression matches a section Reference, i.e. the value of
the property section for arrays. It is an optional, possibly quoted sheet
reference followed by a colon and the name of a section. A lone section
must start with a colon. The catptures are:
0: the entire reference
1: a possibly quoted sheet reference or undefined
2: a section reference without the colon
This regular expression matches a section Reference, i.e. the value of the property
sectionfor arrays. It is an optional, possibly quoted sheet reference followed by a colon and the name of a section. A lone section must start with a colon. The catptures are:0: the entire reference 1: a possibly quoted sheet reference or undefined 2: a section reference without the colon