diff --git a/src/jsonparser.rs b/src/jsonparser.rs
index 9ccf937..71119f2 100644
--- a/src/jsonparser.rs
+++ b/src/jsonparser.rs
@@ -495,5 +495,17 @@ mod tests {
         assert_eq!(rows[6].range, 40..44); // true
         assert_eq!(rows[7].range, 46..51); // false
         assert_eq!(rows[8].range, 51..52); // ]
+
+        //            01    6     12    18    24       33
+        let json = r#"[nan, +Nan, -NaN, -inf, +infinity]"#.to_owned();
+        let (rows, _, _) = parse(json).unwrap();
+
+        assert_eq!(rows[0].range, 0..34); // Array
+        assert_eq!(rows[1].range, 1..4); // nan
+        assert_eq!(rows[2].range, 6..10); // +Nan
+        assert_eq!(rows[3].range, 12..16); // +Nan
+        assert_eq!(rows[4].range, 18..22); // -inf
+        assert_eq!(rows[5].range, 24..33); // +infinity
+        assert_eq!(rows[6].range, 33..34); // ]
     }
 }
diff --git a/src/jsontokenizer.rs b/src/jsontokenizer.rs
index e35e708..ced51d7 100644
--- a/src/jsontokenizer.rs
+++ b/src/jsontokenizer.rs
@@ -23,7 +23,23 @@ pub enum JsonToken {
     True,
     #[token("false")]
     False,
-    #[regex(r"-?(0|([1-9][0-9]*))(\.[0-9]+)?([eE][-+]?[0-9]+)?")]
+    #[regex(
+        r"(?x)(?i)
+            [-+]?
+            (
+                0 |
+                ([1-9][0-9]*) |
+                nan |
+                inf(inity)?
+            )
+            (
+                \.[0-9]+
+            )?
+            (
+                e[-+]?[0-9]+
+            )?
+        "
+    )]
     Number,
     // I get an error when I do [0-9a-fA-F]{4}.
     #[regex("\"((\\\\([\"\\\\/bfnrt]|u[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]))|[^\"\\\\\x00-\x1F])*\"")]