package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?<!\S)(?<d1>\d),(?<d2>\d{1,3})(?!\S)`)
var str = `9999
9,999
1,9
12,111
10,000
1,000,000`
var substitution = "$1$2"
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/