37 lines
898 B
Go
37 lines
898 B
Go
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package mcfetch
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import (
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"regexp"
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"strings"
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)
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// IsValidUsername checks if the username is valid
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func IsValidUsername(username string) bool {
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if len(username) < 3 || len(username) > 16 {
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return false
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}
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validChars := "abcdefghijklmnopqrstuvwxyz1234567890_"
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for _, char := range strings.ToLower(username) {
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if !strings.ContainsRune(validChars, char) {
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return false
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}
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}
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return true
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}
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// IsValidUUID checks if a UUID is valid
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func IsValidUUID(uuid string) bool {
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matched, _ := regexp.MatchString("^[0-9a-fA-F]{32}$", strings.ReplaceAll(uuid, "-", ""))
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return matched
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}
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// UndashUUID removes dashes from UUIDs
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func UndashUUID(uuid string) string {
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return strings.ReplaceAll(uuid, "-", "")
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}
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// DashUUID adds dashes to UUIDs at standard positions
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func DashUUID(uuid string) string {
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return uuid[:8] + "-" + uuid[8:12] + "-" + uuid[12:16] + "-" + uuid[16:20] + "-" + uuid[20:]
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}
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