Files
where_woof/frontend/internal/sms/normalize.go

22 lines
433 B
Go

package sms
import "strings"
// NormalizeAU normalises a phone number to international AU format without a
// leading '+' or zero:
//
// "+61432374487" -> "61432374487"
// "0432374487" -> "61432374487"
func NormalizeAU(phone string) string {
s := strings.Map(func(r rune) rune {
if r >= '0' && r <= '9' {
return r
}
return -1
}, phone)
if strings.HasPrefix(s, "0") && len(s) >= 10 {
s = "61" + s[1:]
}
return s
}