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18 lines
634 B
Go
18 lines
634 B
Go
package re
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import (
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"regexp"
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"strings"
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)
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var (
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DomainRe = regexp.MustCompile(`([a-zA-Z0-9][-a-zA-Z0-9]{0,62}\.)+([a-zA-Z][-a-zA-Z]{0,62})`)
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IPv4Re = regexp.MustCompile(`(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}`)
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IPv6Re = regexp.MustCompile(`fe80:(:[0-9a-fA-F]{1,4}){0,4}(%\w+)?|([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}|::[fF]{4}:(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}|(([0-9a-fA-F]{1,4}:){0,6}[0-9a-fA-F]{1,4})?::(([0-9a-fA-F]{1,4}:){0,6}[0-9a-fA-F]{1,4})?`)
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)
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func MaybeRegexp(s string) bool {
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return strings.ContainsAny(s, "[]{}()?")
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}
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