JS uses regular expressions to implement keyword substitution and bold features examples _javascript tips

The example of this article describes the way JS uses regular expressions to implement keyword substitution and bold functionality. Share to everyone for your reference, specific as follows:

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en"
"http://www.w3.org/TR/xhtml1/DTD/ Xhtml1-transitional.dtd ">
 
 

The screenshot of the running effect is as follows:

PS: Here again for you to provide 2 very convenient regular expression tools for your reference to use:

JavaScript Regular expression online test tool:
Http://tools.jb51.net/regex/javascript

Regular expression online generation tool:
Http://tools.jb51.net/regex/create_reg

More readers interested in JavaScript-related content can view this site: "JavaScript Regular expression Skills encyclopedia", "javascript replacement Operation Tips Summary", "JavaScript Search Algorithm Skills summary", " JavaScript data structure and algorithm skills summary, JavaScript traversal algorithm and tips summary, JavaScript JSON operation tips Summary, javascript error and debugging skills summary and JavaScript mathematical calculation of usage summary 》

I hope this article will help you with JavaScript programming.