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validator.go
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/
validator.go
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package uuid
import (
"regexp"
"github.com/google/uuid"
)
var EMPTY, _ = uuid.Parse("00000000-0000-0000-0000-000000000000")
// IsEmpty returns true if is empty UUID.
func IsEmpty(id string) bool {
u, err := uuid.Parse(id)
if err != nil {
return id == "00000000000000000000000000000000"
}
return u.String() == EMPTY.String()
}
// Valid returns true if valid UUID.
func Valid(id string) (result bool) {
if len(id) == 36 {
result, _ = regexp.MatchString(`\w{8}(-\w{4}){3}-\w{12}`, id)
} else if len(id) == 32 {
result = ValidNoDash(id)
}
return
}
// ValidNoEmpty returns true if valid UUID and not equal empty.
func ValidNoEmpty(id string) bool {
return !IsEmpty(id) && Valid(id)
}
// ValidNoDash returns true if valid UUID that no dash and not equal empty.
func ValidNoDash(id string) (result bool) {
result, _ = regexp.MatchString(`\w{8}(\w{4}){3}\w{12}`, id)
return
}