From 91fdd47a80156b942187c734c3473ede4e089c02 Mon Sep 17 00:00:00 2001
From: Mica White <botahamec@outlook.com>
Date: Sun, 7 Dec 2025 14:22:10 -0500
Subject: First version

---
 grammar.txt | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 grammar.txt

(limited to 'grammar.txt')

diff --git a/grammar.txt b/grammar.txt
new file mode 100644
index 0000000..f2a7827
--- /dev/null
+++ b/grammar.txt
@@ -0,0 +1,6 @@
+regex     := alternate (PIPE alternate)*
+alternate := node*
+node      := csetnode | grouping
+csetnode  := TILDE? (CHARSET | union) STAR?
+union     := LEFT_BRACKET CHARSET* RIGHT_BRACKET
+grouping  := LEFT_PAREN regex RIGHT_PAREN
-- 
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