After a call to Find(), if this regular expression had any parentheses groups, whatever text was matched in those groups is stored here in a list.
Example
var/regex/R = new("B(.)(.)(.)D")
R.Find("BYOND") // find this pattern in "BYOND"
After a call to Find(), if this regular expression had any parentheses groups, whatever text was matched in those groups is stored here in a list.
var/regex/R = new("B(.)(.)(.)D")
R.Find("BYOND") // find this pattern in "BYOND"