From 734f2dc9694ebb3798ec09bc8ddd05a4c4675d6b Mon Sep 17 00:00:00 2001
From: tobil4sk <tobil4sk@outlook.com>
Date: Sun, 21 Aug 2022 15:10:47 +0100
Subject: [PATCH] Add `PCRE2_ALT_BSUX` to pcre pattern compilation

This is the pcre2 equivalent of the PCRE_JAVASCRIPT_COMPAT flag we used
previously. Compare bullet point 4 of the pcre2 compatibility docs:
https://www.pcre.org/current/doc/html/pcre2compat.html
to bullet point 5 of the pcre1 compatibility docs:
https://www.pcre.org/original/doc/html/pcrecompat.html
---
 src/std/regexp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/std/regexp.c b/src/std/regexp.c
index 7a032dc7a..8187e771d 100644
--- a/src/std/regexp.c
+++ b/src/std/regexp.c
@@ -49,7 +49,7 @@ HL_PRIM ereg *hl_regexp_new_options( vbyte *str, vbyte *opts ) {
 	size_t error_offset;
 	pcre2_code *p;
 	uchar *o = (uchar*)opts;
-	int options = PCRE2_UCP | PCRE2_UTF;
+	int options = PCRE2_ALT_BSUX | PCRE2_UCP | PCRE2_UTF;
 	while( *o ) {
 		switch( *o++ ) {
 		case 'i':