package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?:^.*?\[|\G)[ \w+]*\K\[[ \w+]*\](?=[ \w+]*(?:\[[ \w+]*\][ \w+]*)*\])`)
var str = `Say [hello] or [[hello] hello [world] ] [world] [word] now
Say [hello] or [[hello] hello ] [world] ] [world] [word] n`
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/