From 14e03bd4b598fac0906d7070192b80a01e9b9e62 Mon Sep 17 00:00:00 2001
From: Mat Sutcliffe <oktal3700@gmail.com>
Date: Sun, 8 Aug 2021 19:26:32 +0100
Subject: [PATCH] Issue #18 Allow lower case text in FP altitude field

---
 src/blackmisc/aviation/altitude.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/blackmisc/aviation/altitude.cpp b/src/blackmisc/aviation/altitude.cpp
index 6e730fd62..adbd5877c 100644
--- a/src/blackmisc/aviation/altitude.cpp
+++ b/src/blackmisc/aviation/altitude.cpp
@@ -385,7 +385,7 @@ namespace BlackMisc
 
         const QRegularExpression &CAltitude::fpAltitudeRegExp()
         {
-            thread_local const QRegularExpression re("((FL|F)\\d{2,3})|(S\\d{2,4})|(A\\d{2,3})|(M\\d{2,4})|(\\d{3,5}(ft|m))");
+            thread_local const QRegularExpression re("([Ff][Ll]?\\d{2,3})|([Ss]\\d{2,4})|([Aa]\\d{2,3})|([Mm]\\d{2,4})|(\\d{3,5}(ft|m))");
             return re;
         }