From a36abad9306bb87eb9fca236c88e31d9f30422ac Mon Sep 17 00:00:00 2001
From: WormHeamer
Date: Thu, 1 Jan 2026 19:28:14 -0500
Subject: add actual escape characters to regexes

---
 regex.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'regex.c')

diff --git a/regex.c b/regex.c
index 88f926e..6fe4809 100644
--- a/regex.c
+++ b/regex.c
@@ -157,6 +157,16 @@ ReNode *re_parse_char_set(ReParser *s) {
 	return re_new_node_c(s, N_CHAR_SET, cseti);
 }
 
+u32 esc_char(u32 c) {
+	switch (c) {
+	case 'n': return '\n';
+	case 'r': return '\r';
+	case 't': return '\t';
+	case 'v': return '\v';
+	default: return c;
+	}
+}
+
 ReNode *re_parse_atom(ReParser *s) {
 	switch (ch(s)) {
 	case '(':
@@ -175,7 +185,7 @@ ReNode *re_parse_atom(ReParser *s) {
 	case '\\': {
 		/* TODO: throw error at end-of-string */
 		skip(s, 1);
-		ReNode *n = re_new_node_char(s, ch(s));
+		ReNode *n = re_new_node_char(s, esc_char(ch(s)));
 		skip(s, 1);
 		return n;
 	} break;
-- 
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