diff --git a/.babelrc b/.babelrc
index 3cc3bb2..a1d3b7a 100644
--- a/.babelrc
+++ b/.babelrc
@@ -1,8 +1,8 @@
 {
   "plugins": [
+    "add-module-exports",
     "transform-object-assign",
     "transform-es2015-block-scoping",
-    "add-module-exports",
     "transform-es2015-modules-commonjs",
     "transform-es2015-parameters",
     "transform-es2015-shorthand-properties",
diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index ec3f3ca..2a4ae81 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -24,7 +24,7 @@ brings and possible use cases.
 
 ### Creating pull requests
 Pull requests are great :+1:.  
-When contributing to this repository, please **first discuss the change** you wish to make via issue, email to [dmitri@rainsoft.io](email),
+When contributing to this repository, please **first discuss the change** you wish to make via issue, email to [dmitri@rainsoft.io][email],
 or any other method with the owners of this repository before making a change.
 
 When submitting the request please be sure:
diff --git a/package.json b/package.json
index ca0cd91..b5ca481 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "babel-root-import": "4.1.5",
     "chai": "3.5.0",
     "codecov.io": "0.1.6",
-    "eslint": "3.12.2",
+    "eslint": "3.13.0",
     "glob": "7.1.1",
     "grunt": "1.0.1",
     "grunt-contrib-connect": "1.0.2",
@@ -76,10 +76,10 @@
     "jsdoc": "3.4.3",
     "mkdirp": "0.5.1",
     "mocha": "3.2.0",
-    "rollup": "0.38.0",
+    "rollup": "0.41.1",
     "rollup-plugin-babel": "2.7.1",
     "rollup-plugin-uglify": "1.0.1",
     "source-map-support": "0.4.8"
   },
   "dependencies": {}
-}
\ No newline at end of file
+}
diff --git a/src/case/title_case.js b/src/case/title_case.js
index dfc107e..803729a 100644
--- a/src/case/title_case.js
+++ b/src/case/title_case.js
@@ -1,23 +1,31 @@
+import { REGEXP_EXTENDED_ASCII, REGEXP_LATIN_WORD, REGEXP_WORD } from 'helper/reg_exp/const_extended';
+import capitalize from 'case/capitalize';
+import coerceToString from 'helper/string/coerce_to_string';
+
 /**
  * Converts the subject to title case.
  *
- * @function snakeCase
+ * @function titleCase
  * @static
- * @since 1.0.0
+ * @since 1.1.0
  * @memberOf Case
  * @param  {string} [subject=''] The string to convert to title case.
- * @param  {string} [ignoreWords] The list of words that should not be changed.
- * @return {string}              Returns the title case string.
+ * @param  {Array} [ignoreWords] The words that should not be capitalized.
+ * @return {string}              Returns the title cased string.
  * @example
- * v.snakeCase('learning to fly');
- * // => 'learning_to_fly'
+ * v.titleCase('learning to fly');
+ * // => 'Learning To Fly'
  *
- * v.snakeCase('LearningToFly');
- * // => 'learning_to_fly'
+ * v.titleCase('another brick in the wall', ['in', 'the']);
+ * // => 'Another Brick in the Wall'
  *
- * v.snakeCase('-Learning-To-Fly-');
- * // => 'learning_to_fly'
  */
-export default function titleCase(subject) {
-  return subject;
+export default function titleCase(subject, ignoreWords) {
+  const subjectString = coerceToString(subject);
+  const ignoreWordsArray = Array.isArray(ignoreWords) ? ignoreWords : [];
+  const wordsRegExp = REGEXP_EXTENDED_ASCII.test(subjectString) ? REGEXP_LATIN_WORD : REGEXP_WORD;
+  return subjectString.replace(wordsRegExp, function(word) {
+    const lowerCaseWord = word.toLowerCase();
+    return ignoreWordsArray.indexOf(lowerCaseWord) !== -1 ? lowerCaseWord : capitalize(lowerCaseWord, true);
+  });
 }
\ No newline at end of file
diff --git a/src/functions.js b/src/functions.js
index d27ddc4..61dc41e 100644
--- a/src/functions.js
+++ b/src/functions.js
@@ -11,6 +11,7 @@ import kebabCase from './case/kebab_case';
 import lowerCase from './case/lower_case';
 import snakeCase from './case/snake_case';
 import upperCase from './case/upper_case';
+import titleCase from './case/title_case';
 import truncate from './chop/truncate';
 
 /**
@@ -134,6 +135,7 @@ export default {
   kebabCase,
   lowerCase,
   snakeCase,
+  titleCase,
   upperCase,
 
   count,
diff --git a/test/case/snake_case.js b/test/case/snake_case.js
index 55db97e..535f110 100644
--- a/test/case/snake_case.js
+++ b/test/case/snake_case.js
@@ -18,7 +18,6 @@ describe('snakeCase', function() {
     expect(v.snakeCase('/home/dmitri/projects/voca')).to.be.equal('home_dmitri_projects_voca');
     expect(v.snakeCase(PRINTABLE_ASCII)).to.be.equal('0123456789_abcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz');
     expect(v.snakeCase('****')).to.be.equal('');
-    expect(v.snakeCase('****')).to.be.equal('');
     expect(v.snakeCase('-----')).to.be.equal('');
     expect(v.snakeCase('     ')).to.be.equal('');
     expect(v.snakeCase('\n\n\n\n   ***\t\t')).to.be.equal('');
diff --git a/test/case/title_case.js b/test/case/title_case.js
new file mode 100644
index 0000000..c3b00cb
--- /dev/null
+++ b/test/case/title_case.js
@@ -0,0 +1,67 @@
+import { expect } from 'chai';
+import v from '../voca';
+
+describe('titleCase', function() {
+
+  it('should return the title case of a string', function() {
+    expect(v.titleCase('hello world')).to.be.equal('Hello World');
+    expect(v.titleCase('Hello world')).to.be.equal('Hello World');
+    expect(v.titleCase('hello World')).to.be.equal('Hello World');
+    expect(v.titleCase('Hello World')).to.be.equal('Hello World');
+    expect(v.titleCase('HELLO WORLD')).to.be.equal('Hello World');
+    expect(v.titleCase('bird')).to.be.equal('Bird');
+    expect(v.titleCase('BIRD')).to.be.equal('Bird');
+    expect(v.titleCase('bird-flight')).to.be.equal('Bird-Flight');
+    expect(v.titleCase('bird flight')).to.be.equal('Bird Flight');
+    expect(v.titleCase('san diego zoo safari park')).to.be.equal('San Diego Zoo Safari Park');
+    expect(v.titleCase('Who wants to try next?')).to.be.equal('Who Wants To Try Next?');
+    expect(v.titleCase('WHO WANTS TO TRY NEXT?')).to.be.equal('Who Wants To Try Next?');
+    expect(v.titleCase('-BIRD-FLIGHT-')).to.be.equal('-Bird-Flight-');
+    expect(v.titleCase('__BIRD___FLIGHT___')).to.be.equal('__Bird___Flight___');
+    expect(v.titleCase('Restless flycatcher')).to.be.equal('Restless Flycatcher');
+    expect(v.titleCase('XMLHttpRequest')).to.be.equal('XmlHttpRequest');
+    expect(v.titleCase('weight of up to 12 kg')).to.be.equal('Weight Of Up To 12 Kg');
+    expect(v.titleCase('/home/dmitri/projects/voca')).to.be.equal('/Home/Dmitri/Projects/Voca');
+    expect(v.titleCase('****')).to.be.equal('****');
+    expect(v.titleCase('-----')).to.be.equal('-----');
+    expect(v.titleCase('     ')).to.be.equal('     ');
+    expect(v.titleCase('\n\n\n\n   ***\t\t')).to.be.equal('\n\n\n\n   ***\t\t');
+    expect(v.titleCase('')).to.be.equal('');
+  });
+
+  it('should return the title case of a non-latin string', function() {
+    expect(v.titleCase('zborul păsării')).to.be.equal('Zborul Păsării');
+    expect(v.titleCase('полет птицы')).to.be.equal('Полет Птицы');
+    expect(v.titleCase('fuerza de sustentación')).to.be.equal('Fuerza De Sustentación');
+    expect(v.titleCase('skrzydło ptaka składa się')).to.be.equal('Skrzydło Ptaka Składa Się');
+  });
+
+  it('should return the title case and not capitalize specific words', function() {
+    expect(v.titleCase('Who wants to try next?', ['to'])).to.be.equal('Who Wants to Try Next?');
+    expect(v.titleCase('WHO WANTS TO TRY NEXT?', ['to'])).to.be.equal('Who Wants to Try Next?');
+    expect(v.titleCase('Well, congratulations! You got yourself caught! Now what\'s the next step in your master plan?', ["s", 'the', 'in']))
+      .to.be.equal('Well, Congratulations! You Got Yourself Caught! Now What\'s the Next Step in Your Master Plan?');
+  });
+
+  it('should not modify numbers', function() {
+    expect(v.titleCase(0)).to.be.equal('0');
+    expect(v.titleCase(1200)).to.be.equal('1200');
+    expect(v.titleCase('8965')).to.be.equal('8965');
+  });
+
+  it('should return the title case of a string representation of an object', function() {
+    expect(v.titleCase(['bird flight'])).to.be.equal('Bird Flight');
+    expect(v.titleCase({
+      toString: function() {
+        return 'bird flight';
+      }
+    })).to.be.equal('Bird Flight');
+  });
+
+  it('should return empty string for null or undefined', function() {
+    expect(v.titleCase()).to.be.equal('');
+    expect(v.titleCase(undefined)).to.be.equal('');
+    expect(v.titleCase(null)).to.be.equal('');
+  });
+
+});
\ No newline at end of file
diff --git a/test/index.js b/test/index.js
index a367a53..4d0b2ba 100644
--- a/test/index.js
+++ b/test/index.js
@@ -5,6 +5,7 @@ import './case/decapitalize';
 import './case/kebab_case';
 import './case/lower_case';
 import './case/snake_case';
+import './case/title_case';
 import './case/upper_case';
 
 //chain
diff --git a/test/modules_common.js b/test/modules_common.js
index 9c33ab6..0fec397 100644
--- a/test/modules_common.js
+++ b/test/modules_common.js
@@ -34,6 +34,12 @@ describe('CommonJS modules', function() {
     expect(snakeCase('-BIRD-FLIGHT-')).to.be.equal('bird_flight');
   });
 
+  it('should require titleCase()', function() {
+    const titleCase = require('../dist_mod/title_case');
+    expect(titleCase('BIRD FLIGHT')).to.be.equal('Bird Flight');
+  });
+
+
   it('should require upperCase()', function() {
     const upperCase = require('../dist_mod/upper_case');
     expect(upperCase('Earth')).to.be.equal('EARTH');
diff --git a/test/modules_es2015.js b/test/modules_es2015.js
index 5fa62e1..e8f1ce8 100644
--- a/test/modules_es2015.js
+++ b/test/modules_es2015.js
@@ -8,6 +8,7 @@ import capitalize from '../dist_mod/capitalize';
 import decapitalize from '../dist_mod/decapitalize';
 import kebabCase from '../dist_mod/kebab_case';
 import lowerCase from '../dist_mod/lower_case';
+import titleCase from '../dist_mod/title_case';
 import snakeCase from '../dist_mod/snake_case';
 
 // Chop
@@ -132,6 +133,10 @@ describe('CommonJS modules', function() {
     expect(snakeCase('-BIRD-FLIGHT-')).to.be.equal('bird_flight');
   });
 
+  it('should require titleCase()', function() {
+    expect(titleCase('BIRD FLIGHT')).to.be.equal('Bird Flight');
+  });
+
   it('should require upperCase()', function() {
     expect(upperCase('Earth')).to.be.equal('EARTH');
   });
diff --git a/test_runner/test_bundle.js b/test_runner/test_bundle.js
index 155398b..ec3190a 100644
--- a/test_runner/test_bundle.js
+++ b/test_runner/test_bundle.js
@@ -606,6 +606,34 @@ function upperCase(subject) {
   return subjectString.toUpperCase();
 }
 
+/**
+ * Converts the subject to title case.
+ *
+ * @function titleCase
+ * @static
+ * @since 1.1.0
+ * @memberOf Case
+ * @param  {string} [subject=''] The string to convert to title case.
+ * @param  {Array} [ignoreWords] The words that should not be capitalized.
+ * @return {string}              Returns the title cased string.
+ * @example
+ * v.titleCase('learning to fly');
+ * // => 'Learning To Fly'
+ *
+ * v.titleCase('another brick in the wall', ['in', 'the']);
+ * // => 'Another Brick in the Wall'
+ *
+ */
+function titleCase(subject, ignoreWords) {
+  var subjectString = coerceToString(subject);
+  var ignoreWordsArray = Array.isArray(ignoreWords) ? ignoreWords : [];
+  var wordsRegExp = REGEXP_EXTENDED_ASCII.test(subjectString) ? REGEXP_LATIN_WORD : REGEXP_WORD;
+  return subjectString.replace(wordsRegExp, function (word) {
+    var lowerCaseWord = word.toLowerCase();
+    return ignoreWordsArray.indexOf(lowerCaseWord) !== -1 ? lowerCaseWord : capitalize(lowerCaseWord, true);
+  });
+}
+
 /**
  * Clip the number to interval `downLimit` to `upLimit`.
  *
@@ -2584,6 +2612,8 @@ function splice(subject, start, deleteCount, toAdd) {
   return subjectString.slice(0, startPosition) + toAddString + subjectString.slice(startPosition + deleteCountNumber);
 }
 
+var reduce$1 = Array.prototype.reduce;
+
 /**
  * Removes whitespaces from the left side of the `subject`.
  *
@@ -2592,7 +2622,7 @@ function splice(subject, start, deleteCount, toAdd) {
  * @since 1.0.0
  * @memberOf Manipulate
  * @param {string} [subject=''] The string to trim.
- * @param {string} [whitespace=whitespace] The whitespace characters to trim.
+ * @param {string} [whitespace=whitespace] The whitespace characters to trim. List all characters that you want to be stripped.
  * @return {string} Returns the trimmed string.
  * @example
  * v.trimLeft('  Starship Troopers');
@@ -2610,19 +2640,18 @@ function trimLeft(subject, whitespace$$1) {
   if (isNil(whitespaceString)) {
     return subjectString.replace(REGEXP_TRIM_LEFT, '');
   }
-  var whitespaceLength = whitespaceString.length;
   var matchWhitespace = true;
-  var totalWhitespaceLength = 0;
-  while (matchWhitespace) {
-    if (subjectString.indexOf(whitespaceString, totalWhitespaceLength) === totalWhitespaceLength) {
-      totalWhitespaceLength += whitespaceLength;
-    } else {
-      matchWhitespace = false;
+  return reduce$1.call(subjectString, function (trimmed, character) {
+    if (matchWhitespace && includes(whitespaceString, character)) {
+      return trimmed;
     }
-  }
-  return subjectString.substring(totalWhitespaceLength);
+    matchWhitespace = false;
+    return trimmed + character;
+  }, '');
 }
 
+var reduceRight = Array.prototype.reduceRight;
+
 /**
  * Removes whitespaces from the right side of the `subject`.
  *
@@ -2631,7 +2660,7 @@ function trimLeft(subject, whitespace$$1) {
  * @since 1.0.0
  * @memberOf Manipulate
  * @param {string} [subject=''] The string to trim.
- * @param {string} [whitespace=whitespace] The whitespace characters to trim.
+ * @param {string} [whitespace=whitespace] The whitespace characters to trim. List all characters that you want to be stripped.
  * @return {string} Returns the trimmed string.
  * @example
  * v.trimRight('the fire rises   ');
@@ -2649,20 +2678,14 @@ function trimRight(subject, whitespace$$1) {
   if (isNil(whitespaceString)) {
     return subjectString.replace(REGEXP_TRIM_RIGHT, '');
   }
-  var whitespaceLength = whitespaceString.length;
-  var subjectLength = subjectString.length;
   var matchWhitespace = true;
-  var totalWhitespaceLength = 0;
-  var position = void 0;
-  while (matchWhitespace) {
-    position = subjectLength - totalWhitespaceLength - whitespaceLength;
-    if (subjectString.indexOf(whitespaceString, position) === position) {
-      totalWhitespaceLength += whitespaceLength;
-    } else {
-      matchWhitespace = false;
+  return reduceRight.call(subjectString, function (trimmed, character) {
+    if (matchWhitespace && includes(whitespaceString, character)) {
+      return trimmed;
     }
-  }
-  return subjectString.substring(0, subjectLength - totalWhitespaceLength);
+    matchWhitespace = false;
+    return character + trimmed;
+  }, '');
 }
 
 /**
@@ -2673,7 +2696,7 @@ function trimRight(subject, whitespace$$1) {
  * @since 1.0.0
  * @memberOf Manipulate
  * @param {string} [subject=''] The string to trim.
- * @param {string} [whitespace=whitespace] The whitespace characters to trim.
+ * @param {string} [whitespace=whitespace] The whitespace characters to trim. List all characters that you want to be stripped.
  * @return {string} Returns the trimmed string.
  * @example
  * v.trim(' Mother nature ');
@@ -3424,7 +3447,6 @@ function trim$1(subject, allowableTags, replacement) {
       }
     }
   }
-
   return output;
 }
 
@@ -3543,6 +3565,7 @@ var functions = {
   kebabCase: kebabCase,
   lowerCase: lowerCase,
   snakeCase: snakeCase,
+  titleCase: titleCase,
   upperCase: upperCase,
 
   count: count,
@@ -4051,7 +4074,6 @@ describe('snakeCase', function () {
     chai.expect(Voca.snakeCase('/home/dmitri/projects/voca')).to.be.equal('home_dmitri_projects_voca');
     chai.expect(Voca.snakeCase(PRINTABLE_ASCII)).to.be.equal('0123456789_abcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz');
     chai.expect(Voca.snakeCase('****')).to.be.equal('');
-    chai.expect(Voca.snakeCase('****')).to.be.equal('');
     chai.expect(Voca.snakeCase('-----')).to.be.equal('');
     chai.expect(Voca.snakeCase('     ')).to.be.equal('');
     chai.expect(Voca.snakeCase('\n\n\n\n   ***\t\t')).to.be.equal('');
@@ -4087,6 +4109,69 @@ describe('snakeCase', function () {
   });
 });
 
+describe('titleCase', function () {
+
+  it('should return the title case of a string', function () {
+    chai.expect(Voca.titleCase('hello world')).to.be.equal('Hello World');
+    chai.expect(Voca.titleCase('Hello world')).to.be.equal('Hello World');
+    chai.expect(Voca.titleCase('hello World')).to.be.equal('Hello World');
+    chai.expect(Voca.titleCase('Hello World')).to.be.equal('Hello World');
+    chai.expect(Voca.titleCase('HELLO WORLD')).to.be.equal('Hello World');
+    chai.expect(Voca.titleCase('bird')).to.be.equal('Bird');
+    chai.expect(Voca.titleCase('BIRD')).to.be.equal('Bird');
+    chai.expect(Voca.titleCase('bird-flight')).to.be.equal('Bird-Flight');
+    chai.expect(Voca.titleCase('bird flight')).to.be.equal('Bird Flight');
+    chai.expect(Voca.titleCase('san diego zoo safari park')).to.be.equal('San Diego Zoo Safari Park');
+    chai.expect(Voca.titleCase('Who wants to try next?')).to.be.equal('Who Wants To Try Next?');
+    chai.expect(Voca.titleCase('WHO WANTS TO TRY NEXT?')).to.be.equal('Who Wants To Try Next?');
+    chai.expect(Voca.titleCase('-BIRD-FLIGHT-')).to.be.equal('-Bird-Flight-');
+    chai.expect(Voca.titleCase('__BIRD___FLIGHT___')).to.be.equal('__Bird___Flight___');
+    chai.expect(Voca.titleCase('Restless flycatcher')).to.be.equal('Restless Flycatcher');
+    chai.expect(Voca.titleCase('XMLHttpRequest')).to.be.equal('XmlHttpRequest');
+    chai.expect(Voca.titleCase('weight of up to 12 kg')).to.be.equal('Weight Of Up To 12 Kg');
+    chai.expect(Voca.titleCase('/home/dmitri/projects/voca')).to.be.equal('/Home/Dmitri/Projects/Voca');
+    chai.expect(Voca.titleCase('****')).to.be.equal('****');
+    chai.expect(Voca.titleCase('-----')).to.be.equal('-----');
+    chai.expect(Voca.titleCase('     ')).to.be.equal('     ');
+    chai.expect(Voca.titleCase('\n\n\n\n   ***\t\t')).to.be.equal('\n\n\n\n   ***\t\t');
+    chai.expect(Voca.titleCase('')).to.be.equal('');
+  });
+
+  it('should return the title case of a non-latin string', function () {
+    chai.expect(Voca.titleCase('zborul păsării')).to.be.equal('Zborul Păsării');
+    chai.expect(Voca.titleCase('полет птицы')).to.be.equal('Полет Птицы');
+    chai.expect(Voca.titleCase('fuerza de sustentación')).to.be.equal('Fuerza De Sustentación');
+    chai.expect(Voca.titleCase('skrzydło ptaka składa się')).to.be.equal('Skrzydło Ptaka Składa Się');
+  });
+
+  it('should return the title case and not capitalize specific words', function () {
+    chai.expect(Voca.titleCase('Who wants to try next?', ['to'])).to.be.equal('Who Wants to Try Next?');
+    chai.expect(Voca.titleCase('WHO WANTS TO TRY NEXT?', ['to'])).to.be.equal('Who Wants to Try Next?');
+    chai.expect(Voca.titleCase('Well, congratulations! You got yourself caught! Now what\'s the next step in your master plan?', ["s", 'the', 'in'])).to.be.equal('Well, Congratulations! You Got Yourself Caught! Now What\'s the Next Step in Your Master Plan?');
+  });
+
+  it('should not modify numbers', function () {
+    chai.expect(Voca.titleCase(0)).to.be.equal('0');
+    chai.expect(Voca.titleCase(1200)).to.be.equal('1200');
+    chai.expect(Voca.titleCase('8965')).to.be.equal('8965');
+  });
+
+  it('should return the title case of a string representation of an object', function () {
+    chai.expect(Voca.titleCase(['bird flight'])).to.be.equal('Bird Flight');
+    chai.expect(Voca.titleCase({
+      toString: function () {
+        return 'bird flight';
+      }
+    })).to.be.equal('Bird Flight');
+  });
+
+  it('should return empty string for null or undefined', function () {
+    chai.expect(Voca.titleCase()).to.be.equal('');
+    chai.expect(Voca.titleCase(undefined)).to.be.equal('');
+    chai.expect(Voca.titleCase(null)).to.be.equal('');
+  });
+});
+
 describe('upperCase', function () {
 
   it('should return the upper case of a string', function () {
@@ -5870,8 +5955,8 @@ describe('trim', function () {
     chai.expect(Voca.trim('---Do-you-*feel*-in-charge?---', '-')).to.be.equal('Do-you-*feel*-in-charge?');
     chai.expect(Voca.trim('Do you *feel* in charge?___', '_')).to.be.equal('Do you *feel* in charge?');
     chai.expect(Voca.trim('<-Do you *feel* in charge?', '<-')).to.be.equal('Do you *feel* in charge?');
-    chai.expect(Voca.trim('***Do you *feel* in charge?***', '**')).to.be.equal('*Do you *feel* in charge?*');
-    chai.expect(Voca.trim('Do you *feel* in charge?', 'Do you *feel* in charge?')).to.be.equal('');
+    chai.expect(Voca.trim('***Do you *feel* in charge?***', '*-')).to.be.equal('Do you *feel* in charge?');
+    chai.expect(Voca.trim('Do you *feel* in charge?', 'Doe?')).to.be.equal(' you *feel* in charg');
     chai.expect(Voca.trim('\n\nDo you *feel* in charge?', '\n')).to.be.equal('Do you *feel* in charge?');
   });
 
@@ -5893,7 +5978,7 @@ describe('trim', function () {
   it('should return the trimmed string for numbers', function () {
     chai.expect(Voca.trim(100, 1)).to.be.equal('00');
     chai.expect(Voca.trim(6780, 6780)).to.be.equal('');
-    chai.expect(Voca.trim(-115, -1)).to.be.equal('15');
+    chai.expect(Voca.trim(-115, -1)).to.be.equal('5');
     chai.expect(Voca.trim(1111, 1)).to.be.equal('');
     chai.expect(Voca.trim(8998, 8)).to.be.equal('99');
   });
@@ -5927,8 +6012,8 @@ describe('trimLeft', function () {
     chai.expect(Voca.trimLeft('Do you *feel* in charge?___', '_')).to.be.equal('Do you *feel* in charge?___');
     chai.expect(Voca.trimLeft('___Do you *feel* in charge?', '_')).to.be.equal('Do you *feel* in charge?');
     chai.expect(Voca.trimLeft('<-Do you *feel* in charge?', '<-')).to.be.equal('Do you *feel* in charge?');
-    chai.expect(Voca.trimLeft('***Do you *feel* in charge?***', '**')).to.be.equal('*Do you *feel* in charge?***');
-    chai.expect(Voca.trimLeft('Do you *feel* in charge?', 'Do you *feel* in charge?')).to.be.equal('');
+    chai.expect(Voca.trimLeft('***Do you *feel* in charge?***', '*')).to.be.equal('Do you *feel* in charge?***');
+    chai.expect(Voca.trimLeft('Do you *feel* in charge?', 'Doy')).to.be.equal(' you *feel* in charge?');
     chai.expect(Voca.trimLeft('\n\nDo you *feel* in charge?', '\n')).to.be.equal('Do you *feel* in charge?');
   });
 
@@ -5950,7 +6035,7 @@ describe('trimLeft', function () {
   it('should return the left trimmed string for numbers', function () {
     chai.expect(Voca.trimLeft(100, 1)).to.be.equal('00');
     chai.expect(Voca.trimLeft(6780, 6780)).to.be.equal('');
-    chai.expect(Voca.trimLeft(-115, -1)).to.be.equal('15');
+    chai.expect(Voca.trimLeft(-115, -1)).to.be.equal('5');
   });
 
   it('should return empty string for null or undefined', function () {
@@ -5982,8 +6067,8 @@ describe('trimRight', function () {
     chai.expect(Voca.trimRight('___Do you *feel* in charge?', '_')).to.be.equal('___Do you *feel* in charge?');
     chai.expect(Voca.trimRight('Do you *feel* in charge?___', '_')).to.be.equal('Do you *feel* in charge?');
     chai.expect(Voca.trimRight('Do you *feel* in charge?<-', '<-')).to.be.equal('Do you *feel* in charge?');
-    chai.expect(Voca.trimRight('***Do you *feel* in charge?***', '**')).to.be.equal('***Do you *feel* in charge?*');
-    chai.expect(Voca.trimRight('Do you *feel* in charge?', 'Do you *feel* in charge?')).to.be.equal('');
+    chai.expect(Voca.trimRight('***Do you *feel* in charge?***', '**')).to.be.equal('***Do you *feel* in charge?');
+    chai.expect(Voca.trimRight('Do you *feel* in charge?', 'charge?')).to.be.equal('Do you *feel* in ');
     chai.expect(Voca.trimRight('Do you *feel* in charge?\n\n', '\n')).to.be.equal('Do you *feel* in charge?');
   });
 
@@ -6005,7 +6090,7 @@ describe('trimRight', function () {
   it('should return the right trimmed string for numbers', function () {
     chai.expect(Voca.trimRight(100, 0)).to.be.equal('1');
     chai.expect(Voca.trimRight(6780, 6780)).to.be.equal('');
-    chai.expect(Voca.trimRight(-115, 15)).to.be.equal('-1');
+    chai.expect(Voca.trimRight(-115, 15)).to.be.equal('-');
   });
 
   it('should return empty string for null or undefined', function () {