package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`:([^:<>\n]+):(?![^<]*>)`)
var str = `Nombre:
<input value="un :valor:">
invoca a :quien quieras: invocar`
var substitution = "<span class="bold">$1</span>"
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/