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|
package validate
import (
"strings"
"unicode"
)
func Name(name string) bool {
if len(Fold(name)) == 0 || len(name) > 64 {
return false
}
for _, r := range name {
if unicode.IsControl(r) {
return false
}
}
return true
}
func Fold(s string) string {
var sb strings.Builder
var wasSpace bool
for _, r := range s {
for {
f := unicode.SimpleFold(r)
if f <= r {
r = f
break
}
r = f
}
r = unicode.ToLower(r)
if !unicode.IsPrint(r) {
continue
}
if r == ' ' {
if wasSpace {
continue
}
wasSpace = true
} else {
wasSpace = false
}
sb.WriteRune(r)
}
return strings.TrimSpace(sb.String())
}
|
