1 files changed, 14 insertions, 6 deletions

diff --git a/web/react/components/post_body.jsx b/web/react/components/post_body.jsx
index 296b9e7d7..dcbe56399 100644
--- a/web/react/components/post_body.jsx
+++ b/web/react/components/post_body.jsx
@@ -214,14 +214,14 @@ export default class PostBody extends React.Component {
     }
 
     createYoutubeEmbed(link) {
-        const ytRegex = /.*(?:youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|watch\?(?:[a-zA-Z-_]+=[a-zA-Z0-9-_]+&)+v=)([^#\&\?]*).*/;
+        const ytRegex = /(?:http|https):\/\/(?:www\.)?(?:(?:youtube\.com\/(?:(?:v\/)|(\/u\/\w\/)|(?:(?:watch|embed\/watch)(?:\/|.*v=))|(?:embed\/)|(?:user\/[^\/]+\/u\/[0-9]\/)))|(?:youtu\.be\/))([^#\&\?]*)/;
 
         const match = link.trim().match(ytRegex);
-        if (!match || match[1].length !== 11) {
+        if (!match || match[2].length !== 11) {
             return null;
         }
 
-        const youtubeId = match[1];
+        const youtubeId = match[2];
         const time = this.handleYoutubeTime(link);
 
         function onClick(e) {
@@ -309,7 +309,15 @@ export default class PostBody extends React.Component {
             let apostrophe = '';
             let name = '...';
             if (profile != null) {
-                if (profile.username.slice(-1) === 's') {
+                let username = profile.username;
+                if (parentPost.props &&
+                        parentPost.props.from_webhook &&
+                        parentPost.props.override_username &&
+                        global.window.mm_config.EnablePostUsernameOverride === 'true') {
+                    username = parentPost.props.override_username;
+                }
+
+                if (username.slice(-1) === 's') {
                     apostrophe = '\'';
                 } else {
                     apostrophe = '\'s';
@@ -317,9 +325,9 @@ export default class PostBody extends React.Component {
                 name = (
                     <a
                         className='theme'
-                        onClick={Utils.searchForTerm.bind(null, profile.username)}
+                        onClick={Utils.searchForTerm.bind(null, username)}
                     >
-                        {profile.username}
+                        {username}
                     </a>
                 );
             }