16 lines
490 B
Go
16 lines
490 B
Go
package netutils
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import (
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"regexp"
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)
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var (
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// cleanDomainRegex = regexp.MustCompile("^(((?!-))(xn--)?[a-z0-9-_]{0,61}[a-z0-9]{1,1}\\.)*(xn--)?([a-z0-9-]{1,61}|[a-z0-9-]{1,30}\\.[a-z]{2,}\\.)$")
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cleanDomainRegex = regexp.MustCompile("^((xn--)?[a-z0-9-_]{0,61}[a-z0-9]{1,1}\\.)*(xn--)?([a-z0-9-]{1,61}|[a-z0-9-]{1,30}\\.[a-z]{2,}\\.)$")
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)
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// IsValidFqdn returns whether the given string is a valid fqdn.
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func IsValidFqdn(fqdn string) bool {
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return cleanDomainRegex.MatchString(fqdn)
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}
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