Beitragsansicht

helpers/functions/string.go

@@ -1,13 +1,17 @@
 package functions
 
 import (
+	"fmt"
 	"html/template"
+	"regexp"
 	"strings"
 
 	"golang.org/x/text/cases"
 	"golang.org/x/text/language"
 )
 
+var linksexp = regexp.MustCompile(`INr\s*([0-9]+)(?:\s*[-,;]\s*[0-9]*)*\s*(?:,|;)?\s*(?:obj|Obj)?\s*[0-9]*(?:\s*[-,;]\s*[0-9]*)*`)
+
 func Safe(s string) template.HTML {
 	if len(s) == 0 {
 		return ""
@@ -39,3 +43,15 @@ func First(s string) string {
 
 	return string(r[0])
 }
+
+func LinksAnnotation(s string) string {
+	annotation := linksexp.ReplaceAllStringFunc(s, func(match string) string {
+		submatches := linksexp.FindStringSubmatch(match)
+		if len(submatches) > 1 {
+			return fmt.Sprintf(`<a href="#%s" class="link-default oldstyle-nums">%s</a>`, submatches[1], match)
+		}
+		return match
+	})
+
+	return annotation
+}