package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`[^a]*(?:a(?!\))[^a]*)*`)
var str = []byte(`pergunta pergunta pergunta pergunta pergunta pergunta pergunta pergunta pergunta pergunta pergunta pergunta pergunta pergunta pergunta
pergunta pergunta pergunta pergunta pergunta pergunta pergunta pergunta pergunta pergunta pergunta pergunta pergunta pergunta pergunta pergunt
aa) resposta a
b) resposta b
c) resposta c
d) resposta d
e) resposta e`)
var substitution = []byte("")
var count = 1 // negative counter is equivalent to global case (replace all)
str = re.ReplaceAllStringFunc(str, func(s string) string {
if count == 0 {
return s
}
count -= 1
return re.ReplaceAllString(s, substitution)
})
fmt.Println(string(str))
}
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/