From db626fd58af4b8254cdf906ced89b91d6634acda Mon Sep 17 00:00:00 2001
From: Thomas Sayen <69324626+Chi-Iroh@users.noreply.github.com>
Date: Tue, 5 Aug 2025 20:42:51 +0000
Subject: [PATCH] Analyse() now cares about case-insensitivity (#1120)

Fixes #1118
---
 serialise.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/serialise.go b/serialise.go
index 645a5fa..3d7f6c5 100644
--- a/serialise.go
+++ b/serialise.go
@@ -150,8 +150,12 @@ func NewXMLLexer(from fs.FS, path string) (*RegexLexer, error) {
 
 		regexAnalysers := make([]regexAnalyse, 0, len(config.Analyse.Regexes))
 
+		regexFlags := regexp2.None
+		if config.CaseInsensitive {
+			regexFlags = regexp2.IgnoreCase
+		}
 		for _, ra := range config.Analyse.Regexes {
-			re, err := regexp2.Compile(ra.Pattern, regexp2.None)
+			re, err := regexp2.Compile(ra.Pattern, regexFlags)
 			if err != nil {
 				return nil, fmt.Errorf("%s: %q is not a valid analyser regex: %w", config.Name, ra.Pattern, err)
 			}