diff --git a/build/vanilla-masker.min.js b/build/vanilla-masker.min.js
index 80f60fa..8483a6d 100644
--- a/build/vanilla-masker.min.js
+++ b/build/vanilla-masker.min.js
@@ -1 +1 @@
-!function(a,b){"function"==typeof define&&define.amd?define(b):"object"==typeof exports?module.exports=b():a.VMasker=b()}(this,function(){var a=[9,16,17,18,36,37,38,39,40,91,92,93],b=function(b){for(var c=0,d=a.length;c<d;c++)if(b==a[c])return!1;return!0},c=function(a){return a=a||{},a={delimiter:a.delimiter||".",lastOutput:a.lastOutput,precision:a.hasOwnProperty("precision")?a.precision:2,separator:a.separator||",",showSignal:a.showSignal,suffixUnit:a.suffixUnit&&" "+a.suffixUnit.replace(/[\s]/g,"")||"",unit:a.unit&&a.unit.replace(/[\s]/g,"")+" "||"",zeroCents:a.zeroCents},a.moneyPrecision=a.zeroCents?0:a.precision,a},d=function(a,b,c){for(;b<a.length;b++)"9"!==a[b]&&"A"!==a[b]&&"S"!==a[b]||(a[b]=c);return a},e=function(a){this.elements=a};e.prototype.unbindElementToMask=function(){for(var a=0,b=this.elements.length;a<b;a++)this.elements[a].lastOutput="",this.elements[a].onkeyup=!1,this.elements[a].onkeydown=!1,this.elements[a].value.length&&(this.elements[a].value=this.elements[a].value.replace(/\D/g,""))},e.prototype.bindElementToMask=function(a){for(var c=this,d=function(d){d=d||window.event;var e=d.target||d.srcElement;b(d.keyCode)&&setTimeout(function(){c.opts.lastOutput=e.lastOutput,e.value=f[a](e.value,c.opts),e.lastOutput=e.value,e.setSelectionRange&&c.opts.suffixUnit&&e.setSelectionRange(e.value.length,e.value.length-c.opts.suffixUnit.length)},0)},e=0,g=this.elements.length;e<g;e++)this.elements[e].lastOutput="",this.elements[e].onkeyup=d,this.elements[e].value.length&&(this.elements[e].value=f[a](this.elements[e].value,this.opts))},e.prototype.maskMoney=function(a){this.opts=c(a),this.bindElementToMask("toMoney")},e.prototype.maskNumber=function(){this.opts={},this.bindElementToMask("toNumber")},e.prototype.maskAlphaNum=function(){this.opts={},this.bindElementToMask("toAlphaNumeric")},e.prototype.maskPattern=function(a){this.opts={pattern:a},this.bindElementToMask("toPattern")},e.prototype.unMask=function(){this.unbindElementToMask()};var f=function(a){if(!a)throw new Error("VanillaMasker: There is no element to bind.");var b="length"in a?a.length?a:[]:[a];return new e(b)};return f.toMoney=function(a,b){if(b=c(b),b.zeroCents){b.lastOutput=b.lastOutput||"";var d="("+b.separator+"[0]{0,"+b.precision+"})",e=new RegExp(d,"g"),f=a.toString().replace(/[\D]/g,"").length||0,g=b.lastOutput.toString().replace(/[\D]/g,"").length||0;a=a.toString().replace(e,""),f<g&&(a=a.slice(0,a.length-1))}var h=a.toString().replace(/[\D]/g,""),i=new RegExp("^(0|\\"+b.delimiter+")"),j=new RegExp("(\\"+b.separator+")$"),k=h.substr(0,h.length-b.moneyPrecision),l=k.substr(0,k.length%3),m=new Array(b.precision+1).join("0");k=k.substr(k.length%3,k.length);for(var n=0,o=k.length;n<o;n++)n%3==0&&(l+=b.delimiter),l+=k[n];l=l.replace(i,""),l=l.length?l:"0";var p="";if(!0===b.showSignal&&(p=a<0||a.startsWith&&a.startsWith("-")?"-":""),!b.zeroCents){var q=h.length-b.precision,r=h.substr(q,b.precision),s=r.length;m=(m+r).slice(-(b.precision>s?b.precision:s))}return(b.unit+p+l+b.separator+m).replace(j,"")+b.suffixUnit},f.toPattern=function(a,b){var c,e="object"==typeof b?b.pattern:b,f=e.replace(/\W/g,""),g=e.split(""),h=a.toString().replace(/\W/g,""),i=h.replace(/\W/g,""),j=0,k=g.length,l="object"==typeof b?b.placeholder:void 0;for(c=0;c<k;c++){if(j>=h.length){if(f.length==i.length)return g.join("");if(void 0!==l&&f.length>i.length)return d(g,c,l).join("");break}if("9"===g[c]&&h[j].match(/[0-9]/)||"A"===g[c]&&h[j].match(/[a-zA-Z]/)||"S"===g[c]&&h[j].match(/[0-9a-zA-Z]/))g[c]=h[j++];else if("9"===g[c]||"A"===g[c]||"S"===g[c])return void 0!==l?d(g,c,l).join(""):g.slice(0,c).join("")}return g.join("").substr(0,c)},f.toNumber=function(a){return a.toString().replace(/(?!^-)[^0-9]/g,"")},f.toAlphaNumeric=function(a){return a.toString().replace(/[^a-z0-9 ]+/i,"")},f});
\ No newline at end of file
+!function(a,b){"function"==typeof define&&define.amd?define(b):"object"==typeof exports?module.exports=b():a.VMasker=b()}(this,function(){var a=[9,16,17,18,36,37,38,39,40,91,92,93],b=function(b){for(var c=0,d=a.length;c<d;c++)if(b==a[c])return!1;return!0},c=function(a){return a=a||{},a={delimiter:a.delimiter||".",lastOutput:a.lastOutput,precision:a.hasOwnProperty("precision")?a.precision:2,separator:a.separator||",",showSignal:a.showSignal,suffixUnit:a.suffixUnit&&" "+a.suffixUnit.replace(/[\s]/g,"")||"",unit:a.unit&&a.unit.replace(/[\s]/g,"")+" "||"",zeroCents:a.zeroCents},a.moneyPrecision=a.zeroCents?0:a.precision,a},d=function(a,b,c){for(;b<a.length;b++)"9"!==a[b]&&"A"!==a[b]&&"S"!==a[b]||(a[b]=c);return a},e=function(a){this.elements=a};e.prototype.unbindElementToMask=function(){for(var a=0,b=this.elements.length;a<b;a++)this.elements[a].lastOutput="",this.elements[a].onkeyup=!1,this.elements[a].onkeydown=!1,this.elements[a].value.length&&(this.elements[a].value=this.elements[a].value.replace(/\D/g,""))},e.prototype.bindElementToMask=function(a){for(var c=this,d=function(d){d=d||window.event;var e=d.target||d.srcElement;b(d.keyCode)&&setTimeout(function(){if(!e.value.replace(/\D/g,""))return e.value="",void(e.lastOutput="");c.opts.lastOutput=e.lastOutput,e.value=f[a](e.value,c.opts),e.lastOutput=e.value,e.setSelectionRange&&c.opts.suffixUnit&&e.setSelectionRange(e.value.length,e.value.length-c.opts.suffixUnit.length)},0)},e=0,g=this.elements.length;e<g;e++)this.elements[e].lastOutput="",this.elements[e].onkeyup=d,this.elements[e].value.length&&(this.elements[e].value=f[a](this.elements[e].value,this.opts))},e.prototype.maskMoney=function(a){this.opts=c(a),this.bindElementToMask("toMoney")},e.prototype.maskNumber=function(){this.opts={},this.bindElementToMask("toNumber")},e.prototype.maskAlphaNum=function(){this.opts={},this.bindElementToMask("toAlphaNumeric")},e.prototype.maskPattern=function(a){this.opts={pattern:a},this.bindElementToMask("toPattern")},e.prototype.unMask=function(){this.unbindElementToMask()};var f=function(a){if(!a)throw new Error("VanillaMasker: There is no element to bind.");var b="length"in a?a.length?a:[]:[a];return new e(b)};return f.toMoney=function(a,b){if(void 0===a||null===a||""===a)return"";if(b=c(b),b.zeroCents){b.lastOutput=b.lastOutput||"";var d="("+b.separator+"[0]{0,"+b.precision+"})",e=new RegExp(d,"g"),f=a.toString().replace(/[\D]/g,"").length||0,g=b.lastOutput.toString().replace(/[\D]/g,"").length||0;a=a.toString().replace(e,""),f<g&&(a=a.slice(0,a.length-1))}var h=a.toString(),i=h.indexOf(b.separator),j=b.precision-(h.length-i-1);-1!==i&&j>0&&(h+="0"*j),h=h.replace(/[\D]/g,"");var k=new RegExp("^(0|\\"+b.delimiter+")"),l=new RegExp("(\\"+b.separator+")$"),m=h.substr(0,h.length-b.moneyPrecision),n=m.substr(0,m.length%3),o=new Array(b.precision+1).join("0");m=m.substr(m.length%3,m.length);for(var p=0,q=m.length;p<q;p++)p%3==0&&(n+=b.delimiter),n+=m[p];n=n.replace(k,""),n=n.length?n:"0";var r="";if(!0===b.showSignal&&(r=a<0||a.startsWith&&a.startsWith("-")?"-":""),!b.zeroCents){var s=Math.max(0,h.length-b.precision),t=h.substr(s,b.precision),u=t.length;o=(o+t).slice(-(b.precision>u?b.precision:u))}return(b.unit+r+n+b.separator+o).replace(l,"")+b.suffixUnit},f.toPattern=function(a,b){var c="object"==typeof b?b.placeholder:void 0;if(!(c||a&&a.toString().replace(/\W/g,"")))return"";var e,f="object"==typeof b?b.pattern:b,g=f.replace(/\W/g,""),h=f.split(""),i=a.toString().replace(/\W/g,""),j=i.replace(/\W/g,""),k=0,l=h.length;for(e=0;e<l;e++){if(k>=i.length){if(g.length==j.length)return h.join("");if(void 0!==c&&g.length>j.length)return d(h,e,c).join("");break}if("9"===h[e]&&i[k].match(/[0-9]/)||"A"===h[e]&&i[k].match(/[a-zA-Z]/)||"S"===h[e]&&i[k].match(/[0-9a-zA-Z]/))h[e]=i[k++];else{if("9"===h[e]||"A"===h[e]||"S"===h[e])return void 0!==c?d(h,e,c).join(""):h.slice(0,e).join("");h[e]===i[k]&&k++}}return h.join("").substr(0,e)},f.toNumber=function(a){return a&&a.toString().replace(/\D/g,"")?a.toString().replace(/(?!^-)[^0-9]/g,""):""},f.toAlphaNumeric=function(a){return a&&a.toString().replace(/[^a-z0-9 ]+/i,"")?a.toString().replace(/[^a-z0-9 ]+/i,""):""},f});
\ No newline at end of file
diff --git a/build/vanilla-masker.min.js.gz b/build/vanilla-masker.min.js.gz
index cb0bf94..4a404f2 100644
Binary files a/build/vanilla-masker.min.js.gz and b/build/vanilla-masker.min.js.gz differ
diff --git a/lib/vanilla-masker.js b/lib/vanilla-masker.js
index b861b75..aa33526 100644
--- a/lib/vanilla-masker.js
+++ b/lib/vanilla-masker.js
@@ -69,6 +69,14 @@
 
           if (isAllowedKeyCode(e.keyCode)) {
             setTimeout(function() {
+              var rawValue = source.value.replace(/\D/g, '');
+
+              if (!rawValue) {
+                source.value = '';
+                source.lastOutput = '';
+                return;
+              }
+
               that.opts.lastOutput = source.lastOutput;
               source.value = VMasker[maskFunction](source.value, that.opts);
               source.lastOutput = source.value;
@@ -77,8 +85,7 @@
               }
             }, 0);
           }
-        }
-    ;
+        };
     for (var i = 0, len = this.elements.length; i < len; i++) {
       this.elements[i].lastOutput = "";
       this.elements[i].onkeyup = onType;
@@ -121,14 +128,17 @@
   };
 
   VMasker.toMoney = function(value, opts) {
+    if (value === undefined || value === null || value === '') {
+      return '';
+    }
+
     opts = mergeMoneyOptions(opts);
     if (opts.zeroCents) {
       opts.lastOutput = opts.lastOutput || "";
       var zeroMatcher = ("("+ opts.separator +"[0]{0,"+ opts.precision +"})"),
           zeroRegExp = new RegExp(zeroMatcher, "g"),
           digitsLength = value.toString().replace(/[\D]/g, "").length || 0,
-          lastDigitLength = opts.lastOutput.toString().replace(/[\D]/g, "").length || 0
-          ;
+          lastDigitLength = opts.lastOutput.toString().replace(/[\D]/g, "").length || 0;
       value = value.toString().replace(zeroRegExp, "");
       if (digitsLength < lastDigitLength) {
         value = value.slice(0, value.length - 1);
@@ -140,7 +150,7 @@
     var separatorIndex = number.indexOf(opts.separator),
         missingZeros = (opts.precision - (number.length - separatorIndex - 1));
 
-    if (separatorIndex !== -1 && (missingZeros > 0) ) {
+    if (separatorIndex !== -1 && (missingZeros > 0)) {
       number = number + ('0' * missingZeros);
     }
 
@@ -150,8 +160,7 @@
         clearSeparator = new RegExp("(\\"+ opts.separator +")$"),
         money = number.substr(0, number.length - opts.moneyPrecision),
         masked = money.substr(0, money.length % 3),
-        cents = new Array(opts.precision + 1).join("0")
-        ;
+        cents = new Array(opts.precision + 1).join("0");
 
     money = money.substr(money.length % 3, money.length);
     for (var i = 0, len = money.length; i < len; i++) {
@@ -170,8 +179,7 @@
       var beginCents = Math.max(0, number.length - opts.precision),
           centsValue = number.substr(beginCents, opts.precision),
           centsLength = centsValue.length,
-          centsSliced = (opts.precision > centsLength) ? opts.precision : centsLength
-      ;
+          centsSliced = (opts.precision > centsLength) ? opts.precision : centsLength;
       cents = (cents + centsValue).slice(-centsSliced);
     }
     var output = opts.unit + signal + masked + opts.separator + cents;
@@ -179,6 +187,12 @@
   };
 
   VMasker.toPattern = function(value, opts) {
+    var placeholder = (typeof opts === 'object' ? opts.placeholder : undefined);
+
+    if (!placeholder && (!value || !value.toString().replace(/\W/g, ''))) {
+      return '';
+    }
+
     var pattern = (typeof opts === 'object' ? opts.pattern : opts),
         patternChars = pattern.replace(/\W/g, ''),
         output = pattern.split(""),
@@ -186,9 +200,7 @@
         charsValues = values.replace(/\W/g, ''),
         index = 0,
         i,
-        outputLength = output.length,
-        placeholder = (typeof opts === 'object' ? opts.placeholder : undefined)
-    ;
+        outputLength = output.length;
 
     for (i = 0; i < outputLength; i++) {
       // Reached the end of input
@@ -220,17 +232,22 @@
         } else if (output[i] === values[index]) {
           index++;
         }
-
       }
     }
     return output.join("").substr(0, i);
   };
 
   VMasker.toNumber = function(value) {
+    if (!value || !value.toString().replace(/\D/g, '')) {
+      return '';
+    }
     return value.toString().replace(/(?!^-)[^0-9]/g, "");
   };
 
   VMasker.toAlphaNumeric = function(value) {
+    if (!value || !value.toString().replace(/[^a-z0-9 ]+/i, '')) {
+      return '';
+    }
     return value.toString().replace(/[^a-z0-9 ]+/i, "");
   };