43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
// Copyright (c) 2023-2024 Onur Cinar.
|
|
// Use of this source code is governed by a MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
// https://github.com/cinar/checker
|
|
|
|
package v2
|
|
|
|
import (
|
|
"reflect"
|
|
"unicode"
|
|
)
|
|
|
|
const (
|
|
// nameAlphanumeric is the name of the alphanumeric check.
|
|
nameAlphanumeric = "alphanumeric"
|
|
)
|
|
|
|
var (
|
|
// ErrNotAlphanumeric indicates that the given string contains non-alphanumeric characters.
|
|
ErrNotAlphanumeric = NewCheckError("NOT_ALPHANUMERIC")
|
|
)
|
|
|
|
// IsAlphanumeric checks if the given string consists of only alphanumeric characters.
|
|
func IsAlphanumeric(value string) (string, error) {
|
|
for _, c := range value {
|
|
if !unicode.IsDigit(c) && !unicode.IsLetter(c) {
|
|
return value, ErrNotAlphanumeric
|
|
}
|
|
}
|
|
|
|
return value, nil
|
|
}
|
|
|
|
// checkAlphanumeric checks if the given string consists of only alphanumeric characters.
|
|
func isAlphanumeric(value reflect.Value) (reflect.Value, error) {
|
|
_, err := IsAlphanumeric(value.Interface().(string))
|
|
return value, err
|
|
}
|
|
|
|
// makeAlphanumeric makes a checker function for the alphanumeric checker.
|
|
func makeAlphanumeric(_ string) CheckFunc[reflect.Value] {
|
|
return isAlphanumeric
|
|
}
|