package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^[1-9](([0-9]{0,2}(\.[0-9]{3})*)|[0-9]*)$`)
var str = `---- válidos
1
12
123
1.100
123.123
2.321.234.556.654
---- válidos sem o ponto separando os milhares (caso seja aceito)
12345
1100
---- inválidos
1.1
1.2345
0
012
....`
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/