package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^((\()(?1)?(\))(?1)?)$`)
var str = `//SHOULD
()
(())
((()))
()()
(())()
()()()
()()()()()
(((())))
()((()))
()()()()((()))(())((()))(((((((())))))))
//NOT
(
)
)(
))((
)()(
(()
))
())
(()
()()())
()())
)))))))))
((((((((
`
for i, match := range re.FindAllString(str, -1) {
fmt.Println(match, "found at index", i)
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Golang, please visit: https://golang.org/pkg/regexp/