package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^([\S\s]*?^[^][]*=)\[\[[^][]*\[[^][]*\]\]\K\]\R[^][]*\[(.*)\]$(?!\R\1)`)
var str = `1 NameA - DirectionA=[[StreetA @ StreetB,[Lat,Long]]]
1 NameA - DirectionA=[[StreetC @ StreetD,[Lat,Long]], [StreetF @ StreetE,[Lat,Long]]]
1 NameA - DirectionB=[[StreetE @ StreetF,[Lat,Long]], [StreetG @ StreetH,[Lat,Long]]]
2 NameB - DirectionC=[[StreetI @ StreetJ,[Lat,Long]], [StreetK @ StreetL,[Lat,Long]]]
2 NameB - DirectionD=[[StreetM @ StreetN,[Lat,Long]], [StreetO @ StreetP,[Lat,Long]]]`
var substitution = ", \2]"
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/