package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^(.+)(?<!\\)((?:\\\\)*)(\!\=|(?<!\!|\<|\>)=|\<\=|\>\=)(.+)$`)
var str = `name=toto
tat\=a
bla\bla=tor
blood\\=orange
wrong\\\=cops
right\\\\=escaping
extrem\\\\\=slash
hoho\\\\\\=ho
is\\\\\\\=magic
noend=
dou=bl=equal
ma\=tche!=operation
is\\!=not
is<=inferior
is>=superior
tha>t=isno<t
-----
^(.+)((?<!\\)=)(.+)$`
var substitution = "[$1$2] $3 [$4]"
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/