method
Regex.group
Regex.group(match, n) -> string
Returns the substring captured by group n of match — group 0 is the whole match, 1 the first parenthesized group, and so on. Returns an empty string if the group did not participate in the match.
Parameters
matcha Match from Regex.find / Regex.exec / Regex.nextnthe group number (0 = whole match)Example
program Demo {
entry {
let m = Regex.find("key=value", "(\\w+)=(\\w+)")
print(Regex.group(m, 2))
}
}