package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?:(^(?:\s*)\/{4,}\n)+(^(\s*)\/{2,3}(?!\/)[\s\S]*\n)*\1)`)
var str = `namespace sf {
////////////////////////////////////////////////////////////
/// \ingroup system
/// \brief Return a pointer to the Android native activity
///
/// You shouldn't have to use this function, unless you want
/// to implement very specific details, that SFML doesn't
/// support, or to use a workaround for a known issue.
///
/// \return Pointer to Android native activity structure
///
/// \sfplatform{Android,SFML/System/NativeActivity.hpp}
///
////////////////////////////////////////////////////////////
SFML_SYSTEM_API ANativeActivity* getNativeActivity();
////////////////////////////////////////////////////////////
// a
////////////////////////////////////////////////////////////
} // namespace sf`
var substitution = "$3/**\n$2$3 */\n"
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/