diff --git a/.gitignore b/.gitignore
index 9a77af5..44fac6f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,5 @@ lib
 .DS_Store
 playground.js
 coverage
-app.js
\ No newline at end of file
+app.js
+webpack.config.js
\ No newline at end of file
diff --git a/README.md b/README.md
index 0955a8a..cd4b625 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,7 @@
 5. This Number System not working well with large numbers. Is there a better way to read numbers in Thai?
 
 ## Changes
+- 1.6.1 - allow literal separator (,)
 - 1.6.0 - add Hexadecimal
 - 1.5.0 - add Binary Literal
 - 1.4.3 - 1.4.4 - Refactor
diff --git a/binary.js b/binary.js
index b30407a..0a8e916 100644
--- a/binary.js
+++ b/binary.js
@@ -3,6 +3,8 @@ const op = require(`operation-strint`);
 
 const isBin = (money) => {
   if (typeof money !== `string`) return undefined;
+  if (/__/i.test(money)) return false;
+  money = money.replace(/(?<=[01])_(?=[01])/g, "");
   return binaryRegex.test(money);
 };
 
diff --git a/binary.test.js b/binary.test.js
index 03a3449..5219a97 100644
--- a/binary.test.js
+++ b/binary.test.js
@@ -2,6 +2,7 @@ const { isBin, toBin } = require(`./binary`);
 
 test(`isBin true`, () => {
   expect(isBin(`0b101010`)).toBe(true);
+  expect(isBin(`0b1_0101_0`)).toBe(true);
   expect(isBin(`0b1`)).toBe(true);
   expect(isBin(`0B1`)).toBe(true);
   expect(isBin(`0b0`)).toBe(true);
@@ -11,6 +12,12 @@ test(`isBin true`, () => {
 
 test(`isBin false`, () => {
   expect(isBin(`0b`)).toBe(false);
+  expect(isBin(`0b1_`)).toBe(false);
+  expect(isBin(`0b0_`)).toBe(false);
+  expect(isBin(`0b_0_`)).toBe(false);
+  expect(isBin(`0b_1`)).toBe(false);
+  expect(isBin(`0b0_1010__111`)).toBe(false);
+  expect(isBin(`0b01_101010_`)).toBe(false);
   expect(isBin(`0b1013010`)).toBe(false);
   expect(isBin(`077`)).toBe(false);
   expect(isBin(`000077`)).toBe(false);
diff --git a/const/array/THAI2ARABICNumerals.js b/const/array/THAI2ARABICNumerals.js
index e47d91f..fa75dae 100644
--- a/const/array/THAI2ARABICNumerals.js
+++ b/const/array/THAI2ARABICNumerals.js
@@ -1,12 +1,4 @@
-module.exports = [
-  { th: `๐`, a: `0` },
-  { th: `๑`, a: `1` },
-  { th: `๒`, a: `2` },
-  { th: `๓`, a: `3` },
-  { th: `๔`, a: `4` },
-  { th: `๕`, a: `5` },
-  { th: `๖`, a: `6` },
-  { th: `๗`, a: `7` },
-  { th: `๘`, a: `8` },
-  { th: `๙`, a: `9` },
-]
\ No newline at end of file
+module.exports = Array.from({ length: 10 }, (_, i) => ({
+  th: String.fromCodePoint(3664 + i),
+  a: String.fromCodePoint(48 + i),
+}));;
\ No newline at end of file
diff --git a/const/primitive/VERSION.js b/const/primitive/VERSION.js
index 36ea38e..1153031 100644
--- a/const/primitive/VERSION.js
+++ b/const/primitive/VERSION.js
@@ -1 +1 @@
-module.exports = `1.6.0`;
\ No newline at end of file
+module.exports = `1.6.1`;
\ No newline at end of file
diff --git a/hexadecimal.js b/hexadecimal.js
index d76f076..9584f17 100644
--- a/hexadecimal.js
+++ b/hexadecimal.js
@@ -3,6 +3,8 @@ const op = require(`operation-strint`);
 
 const isHex = (money) => {
   if (typeof money !== `string`) return undefined;
+  if (/__/i.test(money)) return false;
+  money = money.replace(/(?<=[\da-f])_(?=[\da-f])/gi, "");
   return hexadecRegex.test(money);
 };
 
diff --git a/hexadecimal.test.js b/hexadecimal.test.js
index 84705ec..b171c6d 100644
--- a/hexadecimal.test.js
+++ b/hexadecimal.test.js
@@ -6,12 +6,23 @@ test(`isHex true`, () => {
   expect(isHex(`0X1F`)).toBe(true);
   expect(isHex(`0x0F`)).toBe(true);
   expect(isHex(`0X0E`)).toBe(true);
+  expect(isHex(`0x101_A010`)).toBe(true);
+  expect(isHex(`0x1_F`)).toBe(true);
+  expect(isHex(`0X1_F`)).toBe(true);
+  expect(isHex(`0x0_F`)).toBe(true);
+  expect(isHex(`0X0_E`)).toBe(true);
   expect(
     isHex(`0X001010101010A01C01010F1011E001010010010100100001010010001001`)
   ).toBe(true);
 });
 
 test(`isHex false`, () => {
+  expect(isHex(`0x101__A010`)).toBe(false);
+  expect(isHex(`0x1__F`)).toBe(false);
+  expect(isHex(`0X1__F`)).toBe(false);
+  expect(isHex(`0x0_F_`)).toBe(false);
+  expect(isHex(`0X_0_E`)).toBe(false);
+
   expect(isHex(`0xVb`)).toBe(false);
   expect(isHex(`0xb10W13010`)).toBe(false);
   expect(isHex(`0x7G7`)).toBe(false);
diff --git a/index.test.js b/index.test.js
index 7e5a930..768263b 100644
--- a/index.test.js
+++ b/index.test.js
@@ -39,6 +39,12 @@ test('NumText', () => {
 test("BF", () => {
   expect(BF()).toBe(undefined);
   expect(BF(283)).toBe(`Invalid Type`);
+  expect(BF(`๑๒๓๔๕๖๗๘๐๙`)).toBe(
+    `หนึ่งพันสองร้อยสามสิบสี่ล้านห้าแสนหกหมื่นเจ็ดพันแปดร้อยเก้าบาทถ้วน`
+  );
+  expect(BF(`๑๒๓๔๕๖๗๘๐๙๑`)).toBe(
+    `หนึ่งหมื่นสองพันสามร้อยสี่สิบห้าล้านหกแสนเจ็ดหมื่นแปดพันเก้าสิบเอ็ดบาทถ้วน`
+  );
 });
 
 test(`BT CEIL`,() => {
diff --git a/octal.js b/octal.js
index 96c2831..ce92fd6 100644
--- a/octal.js
+++ b/octal.js
@@ -2,6 +2,13 @@ const {octalRegex1, octalRegex2} = require('./const')
 const op = require(`operation-strint`)
 const isOctal = (money) => {
     if (typeof(money) !== `string`) return undefined;
+    if (/__/i.test(money)) return false;
+    if (/^0o.+/i.test(money)) {
+      money = money.replace(/(?<=[0-7])_(?=[0-7])/g, "");
+    }
+    else if (/_/i.test(money)) {
+      return false;
+    }
     return octalRegex1.test(money) || octalRegex2.test(money);
 }
 
diff --git a/octal.test.js b/octal.test.js
index 096c311..25d7f38 100644
--- a/octal.test.js
+++ b/octal.test.js
@@ -5,8 +5,13 @@ const {
 
 test(`isOctal`, () => {
   expect(isOctal(`077`)).toBe(true)
+  expect(isOctal(`07_7`)).toBe(false)
+  expect(isOctal(`077_`)).toBe(false)
   expect(isOctal(`000077`)).toBe(true);
   expect(isOctal(`0o77`)).toBe(true);
+  expect(isOctal(`0o77_`)).toBe(false);
+  expect(isOctal(`0o_77_`)).toBe(false);
+  expect(isOctal(`0o7__7`)).toBe(false);
   expect(isOctal(`0000877`)).toBe(!true);
   expect(isOctal(`000o77`)).toBe(!true);
   expect(isOctal(`000oo77`)).toBe(!true);
diff --git a/package-lock.json b/package-lock.json
index 13da354..45c0e58 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "bahtrext",
-  "version": "1.5.0",
+  "version": "1.6.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "bahtrext",
-      "version": "1.5.0",
+      "version": "1.6.0",
       "license": "MIT",
       "dependencies": {
         "operation-strint": "^1.0.8",
diff --git a/package.json b/package.json
index 472495d..8fcd3bf 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bahtrext",
-  "version": "1.6.0",
+  "version": "1.6.1",
   "description": "BahtText Stringify",
   "main": "index.js",
   "scripts": {