diff --git a/src/parser.js b/src/parser.js
index adb525ad..629ff82c 100644
--- a/src/parser.js
+++ b/src/parser.js
@@ -76,9 +76,23 @@ const parser = (() => {
             var depth = 0;
             var pattern;
             var flags;
+
+            var isClosingSlash = function (position) {
+                if (path.charAt(position) === '/' && depth === 0) {
+                    var backslashCount = 0;
+                    while (path.charAt(position - (backslashCount + 1)) === '\\') {
+                        backslashCount++;
+                    }
+                    if (backslashCount % 2 === 0) {
+                        return true;
+                    }
+                }
+                return false;
+            };
+
             while (position < length) {
                 var currentChar = path.charAt(position);
-                if (currentChar === '/' && path.charAt(position - 1) !== '\\' && depth === 0) {
+                if (isClosingSlash(position)) {
                     // end of regex found
                     pattern = path.substring(start, position);
                     if (pattern === '') {
diff --git a/test/implementation-tests.js b/test/implementation-tests.js
index aedb0013..1abc214f 100644
--- a/test/implementation-tests.js
+++ b/test/implementation-tests.js
@@ -749,7 +749,38 @@ describe("Tests that are specific to a Javascript runtime", () => {
         });
     });
 
+    describe("empty regex: Escaped termination", function() {
+        it("should throw error", function() {
+            expect(function() {
+                var expr = jsonata("/\\/");
+                expr.evaluate();
+            })
+                .to.throw()
+                .to.deep.contain({ position: 3, code: "S0302" });
+        });
+    });
+
+    describe("empty regex: Escaped termination", function() {
+        it("should throw error", function() {
+            expect(function() {
+                var expr = jsonata("/\\\\\\/");
+                expr.evaluate();
+            })
+                .to.throw()
+                .to.deep.contain({ position: 5, code: "S0302" });
+        });
+    });
+
     describe("Functions - $match", function() {
+        describe('$match("test escape \\\\", /\\\\/)', function() {
+            it("should find \\", async function() {
+                var expr = jsonata('$match("test escape \\\\", /\\\\/)');
+                var result = await expr.evaluate();
+                var expected = { match: "\\", index: 12, groups: []};
+                expect(result).to.deep.equal(expected);
+            });
+        });
+
         describe('$match("ababbabbcc",/ab/)', function() {
             it("should return result object", async function() {
                 var expr = jsonata('$match("ababbabbcc",/ab/)');