package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^\{(?:(?:A=1()|B=2()|C=3())(?>,|\}$)){3}\1\2\3$`)
var str = `{A=1,B=2,C=3}
{B=2,A=1,C=3}
{C=3,B=2,A=1}
{A=1,B=2,A=1}
{B=2,B=2,C=3}
{A=1B=2C=3}
{A=1}B=2}C=3}
{C=3,B=2,A=1,}`
for i, match := range re.FindAllString(str, -1) {
fmt.Println(match, "found at index", i)
}
}
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/