package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(class|struct|enum|extension)[\h\S]*{$\n(?!\s)`)
var str = `// should trigger
public final class Aaaaaaa {
var cat: Bool
}
// should not trigger
class Aaa {
var cat: Bool
}
// should not trigger
func bbb {
}
// should trigger
struct Ccc {
}
// should not trigger
struct Ccc {
}
// should trigger
enum Ddd {
}
// should not trigger
enum Ddd {
}
// should trigger
extension Eee {
}
// should not trigger
extension Eee {
}
`
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/