package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?mi)\[(\w{1,3})\](.*)\[\/\1\]`)
var str = `[b][b]test[/b][/b]
[b][a]test[/a][/b]
[b][b]test[/b]`
var substitution = "<$1>$2</$1>"
fmt.Println(re.ReplaceAllString(str, substitution))
}
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/