(Javascript) Convert plain text links to clickable links

问题

Long story short, I have a website made under Wix.com editor, and coding was made possible a few months ago. I have set up a custom comment box, so users can post their comments, and read others'.

Now the thing is, the "comment Input" takes plain text, and whenever a link is posted, it is displayed as plain text, no color, no clickability.

I want a code that 'reads' the list of comments, and convert every text that begins with 'https' or 'http' or 'www' ... orange and clickable (opening in a new tab)

Any solution please ?

Thanks !

I have tried many things such as :

$w('#text95').html = 
       (/((http:|https:)[^\s]+[\w])/g, '<a href="$1" target="_blank">$1</a>').replace;

text95 = the displayed comments (it is a text that repeats itself for as many comments as there are)

回答1:

It looks like you're replace syntax is wrong.

Try something like this, I'm pretty sure this will work.

function linkify(inputText) {
    var replacedText, replacePattern1, replacePattern2, replacePattern3;

    //URLs starting with http://, https://, or ftp://
    replacePattern1 = /(\b(https?|ftp):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/gim;
    replacedText = inputText.replace(replacePattern1, '<a href="$1" target="_blank">$1</a>');

    //URLs starting with "www." (without // before it, or it'd re-link the ones done above).
    replacePattern2 = /(^|[^\/])(www\.[\S]+(\b|$))/gim;
    replacedText = replacedText.replace(replacePattern2, '$1<a href="http://$2" target="_blank">$2</a>');

    //Change email addresses to mailto:: links.
    replacePattern3 = /(([a-zA-Z0-9\-\_\.])+@[a-zA-Z\_]+?(\.[a-zA-Z]{2,6})+)/gim;
    replacedText = replacedText.replace(replacePattern3, '<a href="mailto:$1">$1</a>');

    return replacedText;
}

Calling it with:

$w('#text95').innerHTML = linkify($w('#text95').html);

回答2:

Here is my answer (improved Version including video links).

See also this Codepen here.

const convertLinks = ( input ) => {

  let text = input;
  const linksFound = text.match( /(?:www|https?)[^\s]+/g );
  const aLink = [];

  if ( linksFound != null ) {

    for ( let i=0; i<linksFound.length; i++ ) {
      let replace = linksFound[i];
      if ( !( linksFound[i].match( /(http(s?)):\/\// ) ) ) { replace = 'http://' + linksFound[i] }
      let linkText = replace.split( '/' )[2];
      if ( linkText.substring( 0, 3 ) == 'www' ) { linkText = linkText.replace( 'www.', '' ) }
      if ( linkText.match( /youtu/ ) ) {

        let youtubeID = replace.split( '/' ).slice(-1)[0];
        aLink.push( '<div class="video-wrapper"><iframe src="https://www.youtube.com/embed/' + youtubeID + '" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe></div>' )
      }
      else if ( linkText.match( /vimeo/ ) ) {
        let vimeoID = replace.split( '/' ).slice(-1)[0];
        aLink.push( '<div class="video-wrapper"><iframe src="https://player.vimeo.com/video/' + vimeoID + '" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe></div>' )
      }
      else {
        aLink.push( '<a href="' + replace + '" target="_blank">' + linkText + '</a>' );
      }
      text = text.split( linksFound[i] ).map(item => { return aLink[i].includes('iframe') ? item.trim() : item } ).join( aLink[i] );
    }
    return text;

  }
  else {
    return input;
  }
}

this replaces long and clumsy links within plain texts to short clickable links within that text. (And also wraps videos in responsive iframes)

Example:

This clumsy link https://stackoverflow.com/questions/49634850/javascript-convert-plain-text-links-to-clickable-links/52544985#52544985 is very clumsy and this http://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/split is not much better. This one www.apple.com is nice but www could be omitted

Becomes:

This clumsy link <a href="https://stackoverflow.com/questions/49634850/javascript-convert-plain-text-links-to-clickable-links/52544985#52544985" target="_blank">stackoverflow.com</a> is very clumsy and this <a href="http://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/split" target="_blank">developer.mozilla.org</a> is not much better. This one <a href="http://www.apple.com" target="_blank">apple.com</a> is nice but www could be omitted

Is displayed as:

This clumsy link stackoverflow.com is very clumsy and this developer.mozilla.org is not much better. This one apple.com is nice but www can be removed

回答3:

I'm not sure what $w is or if you can really assign the html like that, but i'm guessing this is jquery since the $ most commonly refers to the jquery object.

Your try was close, it would be..

$('#text95').html($('#text95').html().replace(/((http:|https:)[^\s]+[\w])/g, '<a href="$1" target="_blank">$1</a>'));

try it..

$('#text95').html($('#text95').html().replace(/((http:|https:)[^\s]+[\w])/g, '<a href="$1" target="_blank">$1</a>'));

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

<div id=text95>
stuff and stuff and http://ww.stuff.com stuff
</div>

来源：https://stackoverflow.com/questions/49634850/javascript-convert-plain-text-links-to-clickable-links

标签

javascript

hyperlink

wixcode