Implement "replacement" variable that simply replaces the match

processor/regex.go

@@ -213,8 +213,14 @@ func (p *RegexProcessor) ProcessContent(content string, pattern string, luaExpr
 			continue
 		}
 
+		replacement := ""
+		replacementVar := L.GetGlobal("replacement")
+		if replacementVar.Type() != lua.LTNil {
+			replacement = replacementVar.String()
+		}
+		if replacement == "" {
 			// Apply the modifications to the original match
-		replacement := match
+			replacement = match
 			for i := len(modsMap) - 1; i >= 0; i-- {
 				newVal := modsMap[i]
 				log.Printf("Applying modification: %s", newVal)
@@ -235,7 +241,7 @@ func (p *RegexProcessor) ProcessContent(content string, pattern string, luaExpr
 				luaValue := L.GetGlobal(capture.Name).String()
 				replacement = replacement[:groupStart] + luaValue + replacement[groupEnd:]
 			}
-
+		}
 		modificationCount++
 		result = result[:matchIndices[0]] + replacement + result[matchIndices[1]:]
 		log.Printf("Modification count updated: %d", modificationCount)

processor/regex_test.go

@@ -871,7 +871,7 @@ func TestLuaFunctionsOnNamedCaptures(t *testing.T) {
 		`<user name="(?<name>[^"]+)" role="(?<role>[^"]+)"`,
 		`-- Capitalize first letters for regular users
 		 if role == "user" then
-		   name = name:gsub("(%w)(%w*)", function(first, rest) return first:upper()..rest end):gsub(" (%w)(%w*)", " %1%2":gsub("%%1", function(x) return x:upper() end))
+		   name = name:gsub("(%w)(%w*)", function(first, rest) return first:upper()..rest end):gsub(" (%w)(%w*)", " %1%2")
 		 else
 		   -- Uppercase for admins
 		   name = string.upper(name)
@@ -910,7 +910,7 @@ func TestNamedCaptureWithMath(t *testing.T) {
 	p := &RegexProcessor{}
 	result, mods, matches, err := p.ProcessContent(
 		content,
-		`<item price="(?<price>\d+\.\d+)" quantity="(?<qty>\d+)"`,
+		`<item price="(?<price>\d+\.\d+)" quantity="(?<qty>\d+)"!any$`,
 		`-- Calculate and add total
 		 replacement = string.format('<item price="%s" quantity="%s" total="%.2f" />',
 			price, qty, price * qty)`)