docs: Document number ranges and sets in README

bmatcuk · Jan 24, 2025 · 9ee73e3 · 9ee73e3
1 parent 29e67f4
commit 9ee73e3
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -378,6 +378,8 @@ Class      | Meaning
 ---------- | -------
 `[abc]`    | matches any single character within the set
 `[a-z]`    | matches any single character in the range
+`[123]`    | matches any single number within the set
+`[1-9]`    | matches any single number in the range
 `[^class]` | matches any single character which does *not* match the class
 `[!class]` | same as `^`: negates the class