package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^(?=.?\d)(?!(.*?\.){2,})[\d.]+$|^(?=.?\d)(?!(.*?,){2,})[\d,]+$`)
var str = `1
123
123.
123.4
123.456
.456
123,
123,4
123,456
,456
0.,1
0a,1
0..1
1.1.2
100,000.99
100.000,99
,
.`
var substitution = ""
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/