27 lines
536 B
Go
27 lines
536 B
Go
package common
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import (
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"crypto/md5"
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"encoding/hex"
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"regexp"
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)
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func HashString(s string) string {
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hash := md5.New()
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hash.Write([]byte(s))
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return hex.EncodeToString(hash.Sum(nil))
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}
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var TagRe = regexp.MustCompile(`(?:^|[\p{Zs}\s.,!?(){}[\]<>\"\'，。！？（）：；、])#([\p{L}\d_]+)`)
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func ExtractTagsFromText(text string) []string {
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matches := TagRe.FindAllStringSubmatch(text, -1)
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tags := make([]string, 0)
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for _, match := range matches {
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if len(match) > 1 {
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tags = append(tags, match[1])
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}
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}
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return tags
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}
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