39 lines
952 B
Go
39 lines
952 B
Go
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package postgresql
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import (
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"golang.org/x/text/runes"
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"golang.org/x/text/transform"
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"golang.org/x/text/unicode/norm"
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"regexp"
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"strings"
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"unicode"
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)
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// RemoveDiacritics ...
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func RemoveDiacritics(s string) string {
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if s != "" {
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s = strings.ToLower(s)
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s = replaceStringWithRegex(s, `đ`, "d")
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t := transform.Chain(norm.NFD, runes.Remove(runes.In(unicode.Mn)), norm.NFC)
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result, _, _ := transform.String(t, s)
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result = replaceStringWithRegex(result, `[^a-zA-Z0-9\s]`, "")
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return result
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}
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return ""
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}
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// replaceStringWithRegex ...
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func replaceStringWithRegex(src string, regex string, replaceText string) string {
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reg := regexp.MustCompile(regex)
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return reg.ReplaceAllString(src, replaceText)
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}
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// TransformKeywordToSearchString ...
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func TransformKeywordToSearchString(keyword string) string {
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s := strings.Trim(keyword, " ")
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s = RemoveDiacritics(s)
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s = strings.ReplaceAll(s, " ", "&")
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return s + ":*" // For prefix search
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}
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