Javascript: Regular expression to remove extra space between tag</a></h1> </div> <div class="grid fw-wrap pb8 mb16 bb bc-black-075"> <div class="grid--cell ws-nowrap mr16 mb8" title="2016-01-12 19:07:53Z"> <span class="fc-light mr2">Asked</span> <time itemprop="dateCreated" datetime="2018-06-28T10:26:17.647" class="fromnow">Jun 28 '18 at 10:26</time> </div> <div class="grid--cell ws-nowrap mr16 mb8"> <span class="fc-light mr2">Active</span> <time class="fromnow" title="2018-06-28T10:28:27.260" datetime="2018-06-28T10:28:27.260">Jun 28 '18 at 10:28</a> </div> <div class="grid--cell ws-nowrap mb8" title="Viewed 53 times"> <span class="fc-light mr2">Viewed</span> 53 times </div> </div> <div id="mainbar" role="main" aria-label="questions and answers"> <div id="question" class="question" data-questionid="51080509" data-ownerid="840911" data-score="-1"> <div class="post-layout"> <div class="votecell post-layout--left"> <div class="js-voting-container grid jc-center fd-column ai-stretch gs4 fc-black-200" data-post-id="51080509"> <button class="js-vote-up-btn grid--cell s-btn s-btnunset c-pointer"><svg aria-hidden="true" class="m0 svg-icon iconArrowUpLg" width="36" height="36" viewBox="0 0 36 36"><path d="M2 26h32L18 10 2 26z"></path></svg></button> <div class="js-vote-count grid--cell fc-black-500 fs-title grid fd-column ai-center" itemprop="upvoteCount" data-value="-1">-1</div> <button class="js-bookmark-btn s-btn s-btnunset c-pointer py4"> <svg aria-hidden="true" class="svg-icon iconBookmark" width="18" height="18" viewBox="0 0 18 18"><path d="M6 1a2 2 0 00-2 2v14l5-4 5 4V3a2 2 0 00-2-2H6zm3.9 3.83h2.9l-2.35 1.7.9 2.77L9 7.59l-2.35 1.7.9-2.76-2.35-1.7h2.9L9 2.06l.9 2.77z"></path></svg> <div class="js-bookmark-count mt4" data-value=""></div> </button> </div> </div> <div class="postcell post-layout--right"> <div class="s-prose js-post-body" itemprop="text"><p>I have a string containing <code><iframe></code> tag. The string is dynamic and contains iframe like:</p> <pre><code><iframe src="abc.com"></iframe> OR <iframe src="abc.com"> </iframe> OR <iframe src="abc.com"> </iframe> OR </code></pre> <p>I would like to convert <code>> </iframe></code> in to the <code>></iframe></code></p> <p>I have tried to remove the space using below code but it is not working fine.</p> <pre><code>var str = '<iframe src="abc.com"> </iframe>'; alert( str.replace("/\s/g", "") ); </code></pre> <p>Please let me know if there any solution for this?</p></div> <div class="mt24 mb12"> <div class="post-taglist grid gs4 gsy fd-column"> <div class="grid ps-relative"> <a href="../../questions/tagged/javascript" class="post-tag js-gps-track" title="show questions tagged 'javascript'" rel="tag">javascript</a> <a href="../../questions/tagged/jquery" class="post-tag js-gps-track" title="show questions tagged 'jquery'" rel="tag">jquery</a> <a href="../../questions/tagged/regex" class="post-tag js-gps-track" title="show questions tagged 'regex'" rel="tag">regex</a> <a href="../../questions/tagged/iframe" class="post-tag js-gps-track" title="show questions tagged 'iframe'" rel="tag">iframe</a> </div> </div> </div> <div class="mb0"> <div class="mt16 grid gs8 gsy fw-wrap jc-end ai-start pt4 mb16"> <div class="grid--cell mr16 fl1 w96"></div> <div class="post-signature owner grid--cell"> <div class="s-user-card s-user-card"> <time class="s-user-card--time" datetime="asked Jun 28 '18 at 10:26">asked Jun 28 '18 at 10:26</time> <a href="../../users/840911/gokul-shinde" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/840911.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="Gokul Shinde" /> </a> <div class="s-user-card--info"> <a href="../../users/840911/gokul-shinde" class="s-user-card--link">Gokul Shinde</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">957</li> <li class="s-award-bling s-award-blinggold" title="3 gold badges">3</li> <li class="s-award-bling s-award-blingsilver" title="10 silver badges">10</li> <li class="s-award-bling s-award-blingbronze" title="30 bronze badges">30</li> </ul> </div> </div> </div> </div> </div> </div> <div class="post-layout--right js-post-comments-component"> <div id="comments-51080509" class="comments js-comments-container bt bc-black-075 mt12 " data-post-id="51080509" data-min-length="15"> <ul class="comments-list js-comments-list" data-remaining-comments-count="0" data-canpost="false" data-cansee="true" data-comments-unavailable="false" data-addlink-disabled="true"> <li id="comment-89149465" class="comment js-comment " data-comment-id="89149465" data-comment-owner-id="3049127" data-comment-score="1"> <div class="js-comment-actions comment-actions"> <div class="comment-score js-comment-edit-hide"> <span title="number of 'useful comment' votes received" class="warm">1</span> </div> </div> <div class="comment-text js-comment-text-and-form"> <a name="comment89149465_51080509"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">Regular expressions are not strings, try `replace( /\s/g, "" )`.</span> – <a href="../../users/3049127/shilly" title="8,511 reputation" class="comment-user ">Shilly</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/51080509/javascript-regular-expression-to-remove-extra-space-between-iframe-tag#comment89149465_51080509"><span title="2018-06-28T10:28:10.767 License: CC BY-SA 4.0" class="relativetime-clean">Jun 28 '18 at 10:28</span></a></span> </div> </div> </li> </ul> </div> </div> </div> </div> <div id="answers"> <a name="tab-top"></a> <div id="answers-header"> <div class="answers-subheader grid ai-center mb8"> <div class="grid--cell fl1"> <h2 class="mb0" data-answercount="9">2 Answers<span style="display:none;" itemprop="answerCount">2</span></h2> </div> </div> </div> <a name="51080549"></a> <div id="answer-51080549" class="answer " data-answerid="51080549" data-ownerid="998829" data-score="1" itemprop="suggestedAnswer" itemscope="" itemtype="https://schema.org/Answer"> <div class="post-layout"> <div class="votecell post-layout--left"> <div class="js-voting-container grid jc-center fd-column ai-stretch gs4 fc-black-200" data-post-id="51080549"> <button class="js-vote-up-btn grid--cell s-btn s-btnunset c-pointer"><svg aria-hidden="true" class="m0 svg-icon iconArrowUpLg" width="36" height="36" viewBox="0 0 36 36"><path d="M2 26h32L18 10 2 26z"></path></svg></button> <div class="js-vote-count grid--cell fc-black-500 fs-title grid fd-column ai-center" itemprop="upvoteCount" data-value="1">1</div> </div> </div> <div class="postcell post-layout--right"> <div class="s-prose js-post-body" itemprop="text"><p>You aren't passing in a regex correctly. In javascript regexs are part of the language, so you don't need the quotes.</p> <p><code>str.replace(/\s/g, "")</code></p></div> <div class="mb0"> <div class="mt16 grid gs8 gsy fw-wrap jc-end ai-start pt4 mb16"> <div class="grid--cell mr16 fl1 w96"></div> <div class="post-signature grid--cell"> <div class="s-user-card s-user-card"> <time class="s-user-card--time" datetime="answered Jun 28 '18 at 10:27">answered Jun 28 '18 at 10:27</time> <a href="../../users/998829/joey-ciechanowicz" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/998829.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="Joey Ciechanowicz" /> </a> <div class="s-user-card--info"> <a href="../../users/998829/joey-ciechanowicz" class="s-user-card--link">Joey Ciechanowicz</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">3,345</li> <li class="s-award-bling s-award-blinggold" title="3 gold badges">3</li> <li class="s-award-bling s-award-blingsilver" title="24 silver badges">24</li> <li class="s-award-bling s-award-blingbronze" title="48 bronze badges">48</li> </ul> </div> </div> </div> </div> </div> </div> <div class="post-layout--right js-post-comments-component"> </div> </div> </div> <a name="51080570"></a> <div id="answer-51080570" class="answer accepted-answer" data-answerid="51080570" data-ownerid="9515207" data-score="1" itemprop="acceptedAnswer" itemscope="" itemtype="https://schema.org/Answer"> <div class="post-layout"> <div class="votecell post-layout--left"> <div class="js-voting-container grid jc-center fd-column ai-stretch gs4 fc-black-200" data-post-id="51080570"> <button class="js-vote-up-btn grid--cell s-btn s-btnunset c-pointer"><svg aria-hidden="true" class="m0 svg-icon iconArrowUpLg" width="36" height="36" viewBox="0 0 36 36"><path d="M2 26h32L18 10 2 26z"></path></svg></button> <div class="js-vote-count grid--cell fc-black-500 fs-title grid fd-column ai-center" itemprop="upvoteCount" data-value="1">1</div> <div class="js-accepted-answer-indicator grid--cell fc-green-500 py6 mtn8"><div class="ta-center"><svg aria-hidden="true" class="svg-icon iconCheckmarkLg" width="36" height="36" viewBox="0 0 36 36"><path d="m6 14 8 8L30 6v8L14 30l-8-8v-8z"></path></svg></div></div> </div> </div> <div class="postcell post-layout--right"> <div class="s-prose js-post-body" itemprop="text"><p>You don't want to replace all the spaces - you only want to replace the spaces <em>inside</em> the <code>iframe</code> tag, so <code>/\s/g</code> won't work. Try this instead:</p> <p></p><div class="snippet" data-babel="false" data-console="true" data-hide="false" data-lang="js"> <div class="snippet-code"> <pre class="snippet-code-js lang-js prettyprint-override"><code>const htmlStr = `<iframe src="abc.com"></iframe> <iframe src="abc.com"> </iframe> <iframe src="abc.com"> </iframe>`; console.log( htmlStr.replace(/\s+(?=<\/iframe>)/g, '') );</code></pre> </div> </div> </div> <div class="mb0"> <div class="mt16 grid gs8 gsy fw-wrap jc-end ai-start pt4 mb16"> <div class="grid--cell mr16 fl1 w96"></div> <div class="post-signature grid--cell"> <div class="s-user-card s-user-card"> <time class="s-user-card--time" datetime="answered Jun 28 '18 at 10:28">answered Jun 28 '18 at 10:28</time> <a href="../../users/9515207/certainperformance" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/9515207.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="CertainPerformance" /> </a> <div class="s-user-card--info"> <a href="../../users/9515207/certainperformance" class="s-user-card--link">CertainPerformance</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">356,069</li> <li class="s-award-bling s-award-blinggold" title="52 gold badges">52</li> <li class="s-award-bling s-award-blingsilver" title="309 silver badges">309</li> <li class="s-award-bling s-award-blingbronze" title="320 bronze badges">320</li> </ul> </div> </div> </div> </div> </div> </div> <div class="post-layout--right js-post-comments-component"> </div> </div> </div> </div> </div> </div> </div> <script src="../../static/js/stack-icons.js"></script> <script src="../../static/js/fromnow.js"></script> </body> </html>