package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^(?=.)(?:\d{1,3}(?:,\d{3})*|\d+)?(?:\.\d+)?$`)
var str = `12345
.123
23,456,789.123
123.456.7
1234.
12345,
123.,
,123`
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/