diff --git a/build/post-compile.js b/build/post-compile.js
index c7eb6dc0e..29fa06152 100644
--- a/build/post-compile.js
+++ b/build/post-compile.js
@@ -38,17 +38,19 @@
       );
 
     // replace vars for `false` and `true` with boolean literals
-    [/(\w+)\s*=\s*!1\b/.exec(source), /(\w+)\s*=\s*!0\b/.exec(source)].forEach(function(varName, index) {
+    [/(\w+)\s*=\s*!1\b/, /(\w+)\s*=\s*!0\b/].forEach(function(regexp, index) {
+      var varName = (regexp.exec(source) || 0)[1];
       if (varName) {
-        varName = varName[1];
         source = source.replace(RegExp('([!=]==\\s*)' + varName + '|' + varName + '(\\s*[!=]==)', 'g'), '$1' + !!index + '$2');
       }
     });
 
     // replace `!1` and `!0` in expressions with `false` and `true` values
-    source = source
-      .replace(/([!=]==\s*)!1|!1(\s*[!=]==)/g, '$1false$2')
-      .replace(/([!=]==\s*)!0|!0(\s*[!=]==)/g, '$1true$2');
+    [/([!=]==)\s*!1|(.)!1\s*([!=]==)/g, /([!=]==)\s*!0|(.)!0\s*([!=]==)/g].forEach(function(regexp, index) {
+      source = source.replace(regexp, function(match, prelude, chr, postlude) {
+        return (prelude || chr + (/\w/.test(chr) ? ' ' : '')) + !!index + (postlude || '');
+      });
+    });
 
     // flip `typeof` expressions to help optimize Safari and
     // correct the AMD module definition for AMD build optimizers
diff --git a/dist/lodash.compat.min.js b/dist/lodash.compat.min.js
index deae2acce..92b8651bf 100644
--- a/dist/lodash.compat.min.js
+++ b/dist/lodash.compat.min.js
@@ -35,10 +35,10 @@ if(true===r)var f=!0,l=!1;else lt(r)&&(f=r.leading,l="trailing"in r?r.trailing:l
 return dt(n,function(n){o[++e]=(u?t:n[t]).apply(n,r)}),o},a.keys=Br,a.map=bt,a.max=_t,a.memoize=function(n,t){function r(){var e=r.cache,u=c+(t?t.apply(this,arguments):arguments[0]);return ur.call(e,u)?e[u]:e[u]=n.apply(this,arguments)}return r.cache={},r},a.merge=st,a.min=function(n,t,r){var e=1/0,u=e;if(!t&&Ar(n)){r=-1;for(var o=n.length;++r<o;){var i=n[r];i<u&&(u=i)}}else t=!t&&pt(n)?L:a.createCallback(t,r),Nr(n,function(n,r,a){r=t(n,r,a),r<e&&(e=r,u=n)});return u},a.omit=function(n,t,r){var e=Q(),u=typeof t=="function",o={};
 if(u)t=a.createCallback(t,r);else var i=nr.apply(Mt,_r.call(arguments,1));return qr(n,function(n,r,a){(u?!t(n,r,a):0>e(i,r))&&(o[r]=n)}),o},a.once=function(n){var t,r;return function(){return t?r:(t=!0,r=n.apply(this,arguments),n=null,r)}},a.pairs=function(n){for(var t=-1,r=Br(n),e=r.length,u=$t(e);++t<e;){var a=r[t];u[t]=[a,n[a]]}return u},a.partial=function(n){return H(n,_r.call(arguments,1))},a.partialRight=function(n){return H(n,_r.call(arguments,1),null,i)},a.pick=function(n,t,r){var e={};if(typeof t!="function")for(var u=-1,o=nr.apply(Mt,_r.call(arguments,1)),i=lt(n)?o.length:0;++u<i;){var c=o[u];
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-for(t=a.createCallback(t,r),dt(n,function(n,r,u){o[++e]={a:t(n,r,u),b:e,c:n}}),u=o.length,o.sort(G);u--;)o[u]=o[u].c;return o},a.tap=function(n,t){return t(n),n},a.throttle=function(n,t,r){function e(){l=null,f&&(i=new Dt,a=n.apply(o,u))}var u,a,o,i=0,c=!0,l=null,f=!0;returnfalse===r?c=!1:lt(r)&&(c="leading"in r?r.leading:c,f="trailing"in r?r.trailing:f),function(){var r=new Dt;!l&&!c&&(i=r);var f=t-(r-i);return u=arguments,o=this,0<f?l||(l=cr(e,f)):(Zt(l),l=null,i=r,a=n.apply(o,u)),a}},a.times=function(n,t,r){n=-1<(n=+n)?n:0;
+for(t=a.createCallback(t,r),dt(n,function(n,r,u){o[++e]={a:t(n,r,u),b:e,c:n}}),u=o.length,o.sort(G);u--;)o[u]=o[u].c;return o},a.tap=function(n,t){return t(n),n},a.throttle=function(n,t,r){function e(){l=null,f&&(i=new Dt,a=n.apply(o,u))}var u,a,o,i=0,c=!0,l=null,f=!0;return false===r?c=!1:lt(r)&&(c="leading"in r?r.leading:c,f="trailing"in r?r.trailing:f),function(){var r=new Dt;!l&&!c&&(i=r);var f=t-(r-i);return u=arguments,o=this,0<f?l||(l=cr(e,f)):(Zt(l),l=null,i=r,a=n.apply(o,u)),a}},a.times=function(n,t,r){n=-1<(n=+n)?n:0;
 var e=-1,u=$t(n);for(t=a.createCallback(t,r,1);++e<n;)u[e]=t(e);return u},a.toArray=function(n){return n&&typeof n.length=="number"?xr.unindexedChars&&pt(n)?n.split(""):tt(n):gt(n)},a.transform=function(n,t,r,e){var u=Ar(n);return t=a.createCallback(t,e,4),null==r&&(u?r=[]:(e=n&&n.constructor,r=M(e&&e.prototype))),(u?Nr:Dr)(n,function(n,e,u){return t(r,n,e,u)}),r},a.union=function(n){return Ar(n)||(arguments[0]=n?_r.call(n):Mt),Gr(nr.apply(Mt,arguments))},a.uniq=Gr,a.unzip=At,a.values=gt,a.where=yt,a.without=function(n){return kt(n,_r.call(arguments,1))
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-for(t=a.createCallback(t,r);++e<u;)if(t(n[e],e,n))return e;return-1},a.findKey=function(n,t,r){var e;return t=a.createCallback(t,r),Dr(n,function(n,r,u){return t(n,r,u)?(e=r,!1):void 0}),e},a.has=function(n,t){return n?ur.call(n,t):!1},a.identity=Pt,a.indexOf=Ot,a.isArguments=et,a.isArray=Ar,a.isBoolean=function(n){returntrufalse===n||false===n||lr.call(n)==S},a.isDate=function(n){return n?typeof n=="object"&&lr.call(n)==A:!1},a.isElement=function(n){return n?1===n.nodeType:!1},a.isEmpty=function(n){var t=!0;
+for(t=a.createCallback(t,r);++e<u;)if(t(n[e],e,n))return e;return-1},a.findKey=function(n,t,r){var e;return t=a.createCallback(t,r),Dr(n,function(n,r,u){return t(n,r,u)?(e=r,!1):void 0}),e},a.has=function(n,t){return n?ur.call(n,t):!1},a.identity=Pt,a.indexOf=Ot,a.isArguments=et,a.isArray=Ar,a.isBoolean=function(n){return true===n||false===n||lr.call(n)==S},a.isDate=function(n){return n?typeof n=="object"&&lr.call(n)==A:!1},a.isElement=function(n){return n?1===n.nodeType:!1},a.isEmpty=function(n){var t=!0;
 if(!n)return t;var r=lr.call(n),e=n.length;return r==E||r==F||(xr.argsClass?r==O:et(n))||r==P&&typeof e=="number"&&ct(n.splice)?!e:(Dr(n,function(){return t=!1}),t)},a.isEqual=it,a.isFinite=function(n){return gr(n)&&!vr(parseFloat(n))},a.isFunction=ct,a.isNaN=function(n){return ft(n)&&n!=+n},a.isNull=function(n){return nultrue===n},a.isNumber=ft,a.isObject=lt,a.isPlainObject=Rr,a.isRegExp=function(n){return!(!n||!q[typeof n])&&lr.call(n)==z},a.isString=pt,a.isUndefined=function(n){return typeof n=="undefined"
 },a.lastIndexOf=function(n,t,r){var e=n?n.length:0;for(typeof r=="number"&&(e=(0>r?yr(0,e+r):mr(r,e-1))+1);e--;)if(n[e]===false)return e;return-1},a.mixin=zt,a.noConflict=function(){return e._=Wt,this},a.parseInt=Hr,a.random=function(n,t){null==n&&null==t&&(t=1),n=+n||0,null==t?(t=n,n=0):t=+t||0;var r=br();return n%1||t%1?n+mr(r*(t-n+parseFloat("1e-"+((r+"").length-1))),t):n+tr(r*(t-n+1))},a.reduce=Ct,a.reduceRight=jt,a.result=function(n,t){var e=n?n[t]:r;return ct(e)?n[t]():e},a.runInContext=t,a.size=function(n){var t=n?n.length:0;
 return typeof t=="number"?t:Br(n).length},a.some=wt,a.sortedIndex=St,a.template=function(n,t,e){var u=a.templateSettings;n||(n=""),e=$r({},e,u);var o,i=$r({},e.imports,u.imports),u=Br(i),i=gt(i),c=0,l=e.interpolate||_,g="__p+='",l=Ht((e.escape||_).source+"|"+l.source+"|"+(true===y?v:_).source+"|"+(e.evaluate||_).source+"|$","g");n.replace(l,function(t,r,e,u,a,i){return e||(e=u),g+=n.slice(c,i).replace(j,V),r&&(g+="'+__e("+r+")+'"),a&&(o=!0,g+="';"+a+";__p+='"),e&&(g+="'+((__t=("+e+"))==null?'':__t)+'"),c=i+t.length,t
diff --git a/dist/lodash.underscore.min.js b/dist/lodash.underscore.min.js
index ea1dd498c..92c606f8c 100644
--- a/dist/lodash.underscore.min.js
+++ b/dist/lodash.underscore.min.js
@@ -27,7 +27,7 @@ return N(n,function(n){i[++e]=(u?t:n[t]).apply(n,r)}),i},t.keys=$t,t.map=B,t.max
 return u},t.reject=function(n,t,r){return t=W(t,r),E(n,function(n,r,e){return!t(n,r,e)})},t.rest=C,t.shuffle=function(n){var t=-1,r=n?n.length:0,e=Array(typeof r=="number"?r:0);return N(n,function(n){var r=bt(qt()*(++t+1));e[t]=e[r],e[r]=n}),e},t.sortBy=function(n,t,r){var u=-1,o=n?n.length:0,i=Array(typeof o=="number"?o:0);for(t=W(t,r),N(n,function(n,r,e){i[++u]={a:t(n,r,e),b:u,c:n}}),o=i.length,i.sort(e);o--;)i[o]=i[o].c;return i},t.tap=function(n,t){return t(n),n},t.throttle=function(n,t){function r(){i=new Date,a=null,u=n.apply(o,e)
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