23 lines
375 B
Go
23 lines
375 B
Go
package unpackstring
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import (
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"errors"
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"github.com/GRbit/go-pcre"
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)
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var ErrInvalidString = errors.New("invalid string")
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func Unpack(str string) (string, error) {
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// Place your code here.
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re, _ := pcre.Compile(`^\d|\d{2,}|\\(?=\D)|(?=\\)`, pcre.UTF8)
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res := re.MatchStringWFlags(str, pcre.UTF8)
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if res == true {
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return "", ErrInvalidString
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}
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return "", nil
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}
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