37 lines
965 B
Go
37 lines
965 B
Go
package checker
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import (
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"reflect"
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"unicode"
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)
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// CheckerAlphanumeric is the name of the checker.
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const CheckerAlphanumeric = "alphanumeric"
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// ResultNotAlphanumeric indicates that the given string contains non-alphanumeric characters.
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const ResultNotAlphanumeric = "NOT_ALPHANUMERIC"
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// IsAlphanumeric checks if the given string consists of only alphanumeric characters.
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func IsAlphanumeric(value string) Result {
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for _, c := range value {
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if !unicode.IsDigit(c) && !unicode.IsLetter(c) {
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return ResultNotAlphanumeric
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}
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}
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return ResultValid
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}
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// makeAlphanumeric makes a checker function for the alphanumeric checker.
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func makeAlphanumeric(_ string) CheckFunc {
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return checkAlphanumeric
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}
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// checkAlphanumeric checks if the given string consists of only alphanumeric characters.
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func checkAlphanumeric(value, _ reflect.Value) Result {
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if value.Kind() != reflect.String {
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panic("string expected")
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}
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return IsAlphanumeric(value.String())
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}
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