Regex or Function to retrieve plain text of an HTML string

The function must be able to extract a plain text like the following examples:

HTML - INPUT:

<p>Big weekend for <span class="highlightNode">music</span> in <a class="_58cn" href="/hashtag/bristol?source=feed_text&story_id=1032680040088821" data-ft="{"tn":"*N","type":104}"><span aria-label="hashtag" class="_58cl">‪#‎</span><span class="_58cm">Bristol‬</span></a> as <a class="profileLink" href="[login to view URL]" data-hovercard="/ajax/hovercard/[login to view URL]" aria-owns="js_78" aria-haspopup="true" aria-describedby="js_79" id="js_7a">BBC Radio 6 <span class="highlightNode">Music</span></a> takes over the city.<br> I got the chance to interview the man whose <span class="highlightNode">music</span> I was dancing to back in the 90s <i class="_4-k1 img sp_fM-mz8spZ1b sx_5371b4"><u>smile emoticon</u></i> <a class="profileLink" href="[login to view URL]" data-hovercard="/ajax/hovercard/[login to view URL]" aria-owns="js_75" aria-haspopup="true" aria-describedby="js_76" id="js_77">Roni Size</a> 'reprazenting' the Bristol <span class="highlightNode">music</span> scene - interview coming up on <a class="profileLink" href="[login to view URL]" data-hovercard="/ajax/hovercard/[login to view URL]" aria-owns="js_72" aria-haspopup="true" aria-describedby="js_73" id="js_74">BBC Points West</a> <i class="_4-k1 img sp_UkKp2mjPS47 sx_cfd3f6"><u>

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