package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^((?! - ).+?(?= - ) - ){2}(*SKIP)(*F)| - `)
var str = `Hello - world - I am a good - guy and want to - save - the - world
Hello - wor ld - I am a good - guy and want to - save - the - world
Hello - wo43rld - I am a good - guy and want to - save - the - world
Hello - world 2.0 - I am a good - guy and want to - save - the - world
Hello - world $%& - I am a good - guy and want to - save - the - world`
var substitution = " | "
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/