diff --git a/scripts/filters/post.js b/scripts/filters/post.js
index 23f3aab..5fb10ac 100644
--- a/scripts/filters/post.js
+++ b/scripts/filters/post.js
@@ -10,13 +10,13 @@ hexo.extend.filter.register('after_post_render', data => {
   const theme = hexo.theme.config;
   if (!theme.exturl && !theme.lazyload) return;
   if (theme.lazyload) {
-    data.content = data.content.replace(/(<img[^>]*)src=/ig, '$1data-src=');
+    data.content = data.content.replace(/(<img[^>]*)\ssrc=/ig, '$1 data-src=');
   }
   if (theme.exturl) {
     const siteHost = parse(config.url).hostname || config.url;
     // External URL icon
     const exturlIcon = theme.exturl_icon ? '<i class="fa fa-external-link-alt"></i>' : '';
-    data.content = data.content.replace(/<a[^>]*href="([^"]+)"[^>]*>([^<]+)<\/a>/ig, (match, href, html) => {
+    data.content = data.content.replace(/<a[^>]*\shref="([^"]+)"[^>]*>([^<]+)<\/a>/ig, (match, href, html) => {
       // Exit if the href attribute doesn't exists.
       if (!href) return match;
 
diff --git a/source/js/third-party/search/algolia-search.js b/source/js/third-party/search/algolia-search.js
index 2910b39..12a554c 100644
--- a/source/js/third-party/search/algolia-search.js
+++ b/source/js/third-party/search/algolia-search.js
@@ -42,8 +42,8 @@ document.addEventListener('DOMContentLoaded', () => {
       templates: {
         text: data => {
           const stats = CONFIG.i18n.hits_time
-            .replace(/\$\{hits}/, data.nbHits)
-            .replace(/\$\{time}/, data.processingTimeMS);
+            .replace('${hits}', data.nbHits)
+            .replace('${time}', data.processingTimeMS);
           return `<span>${stats}</span>
             <img src="${CONFIG.images}/logo-algolia-nebula-blue-full.svg" alt="Algolia">`;
         }
@@ -70,7 +70,7 @@ document.addEventListener('DOMContentLoaded', () => {
         },
         empty: data => {
           return `<div class="algolia-hits-empty">
-              ${CONFIG.i18n.empty.replace(/\$\{query}/, data.query)}
+              ${CONFIG.i18n.empty.replace('${query}', data.query)}
             </div>`;
         }
       },
diff --git a/source/js/third-party/search/local-search.js b/source/js/third-party/search/local-search.js
index a3e5847..92a264d 100644
--- a/source/js/third-party/search/local-search.js
+++ b/source/js/third-party/search/local-search.js
@@ -39,7 +39,7 @@ document.addEventListener('DOMContentLoaded', () => {
         }
         return right.id - left.id;
       });
-      const stats = CONFIG.i18n.hits.replace(/\$\{hits}/, resultItems.length);
+      const stats = CONFIG.i18n.hits.replace('${hits}', resultItems.length);
 
       container.classList.remove('no-result');
       container.innerHTML = `<div class="search-stats">${stats}</div>