Add named capture group tests

processor/regex.go

@@ -145,6 +145,19 @@ func (p *RegexProcessor) ProcessContent(content string, pattern string, luaExpr
 			continue
 		}
 
+		namedCaptures := make(map[string]string)
+		groupNames := compiledPattern.SubexpNames()
+
+		for i, name := range groupNames {
+			if i == 0 {
+				continue
+			}
+			if i < len(match) {
+				namedCaptures[name] = string(match[i])
+			}
+		}
+		log.Printf("Named captures: %v", namedCaptures)
+
 		captures := make([]string, 0, len(groups)/2)
 		for j := 0; j < len(groups); j += 2 {
 			captures = append(captures, content[groups[j]:groups[j+1]])