package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?i)\[
(?<tag>\w+) \s*
(?:=\s*
(?:
(?<quote>["']) (?<arg>.{0,100}?) \k<quote>
| (?<arg>[^\]]+)
)
)?
\]
(?<content>
(?:[^[]++ | (?R) )*+
)
\[/\k<tag>\]`)
var str = `[spoiler]content[/spoiler], [spoiler=option]content[/spoiler] and [spoiler="option"]content[/spoiler]
[a] foo [b] bar [/b] baz [/a]
[a=foo] foo [b] bar [/b] baz [/a]
[a="foo"] foo [b] bar [/b] baz [/a]
`
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/