method
Regex.group_count
Regex.group_count(match) -> int
Returns the number of capture groups in the pattern behind match (not counting group 0, the whole match). Valid group numbers for Regex.group are 0…group_count.
Parameters
matcha Match valueExample
program Demo {
entry {
let m = Regex.find("a-b", "(\\w)-(\\w)")
print(Regex.group_count(m))
}
}