Aneurin Barker Snook
34 lines
691 B
Go
34 lines
691 B
Go
package validate
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import (
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"strings"
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)
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var (
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ErrDisallowedChars = NewError("contains disallowed characters")
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)
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// Chars validates whether a string contains only allowed characters.
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func Chars(allow string) func(string) error {
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return func(value string) error {
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for _, r := range value {
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if !strings.ContainsRune(allow, r) {
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return ErrDisallowedChars
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}
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}
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return nil
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}
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}
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// ExceptChars validates whether a string does not contain disallowed characters.
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func ExceptChars(disallow string) func(string) error {
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return func(value string) error {
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for _, r := range disallow {
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if strings.ContainsRune(value, r) {
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return ErrDisallowedChars
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}
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}
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return nil
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}
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}
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