package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)((?:\d{2})(?:\:\d{2}){2}).*?\[\s(\d+).*?\[\s(\d+)`)
var str = `Line 394 : [21:44:07 Oct 12 Fri] @0x3924004E|JVM| Free Memory: Heap [ 2368340/ 6291456], Native[ 7299824/32505856]`
var substitution = "\1,\2,\3"
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/