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34 lines
473 B
Go
34 lines
473 B
Go
2 years ago
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package util
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import (
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"math/rand"
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"time"
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"unicode"
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)
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const alphabet = "1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
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func init() {
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rand.Seed(time.Now().UnixNano())
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}
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func GenerateRandomString(n int) string {
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b := make([]byte, n)
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for i := range b {
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b[i] = alphabet[rand.Intn(len(alphabet))]
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}
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return string(b)
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}
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func IsWhitespaceFree(s string) bool {
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for _, r := range s {
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if unicode.IsSpace(r) {
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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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