package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?<=ab|cd|ef|gh) *}} *{{ *(?=ab|cd|ef|gh)`)
var str = `{{ab}}{{ab}}{{ab}}{{ab}}{{ab}}{{ab}}
{{ab}} {{ab}} {{ab}} {{ab}} {{ab}} {{ab}}
machintruc {{ab}} {{cd}}
{{ab}} {{cd}} {{ef}} [https://truc.org truc]
{{ab}}{{ cd }}{{ ef }} {{ gh }} {{ gh }}{{lien web|url=tr.uc}}
{{mr}} Trucmuche
`
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/