![Kevin Yank](https://uploads.sitepoint.com/wp-content/uploads/2015/04/1429112558kevinyank-96x96.jpg)
Kevin Yank is an accomplished web developer, speaker, trainer and author of Build Your Own Database Driven Website Using PHP & MySQL and Co-Author of Simply JavaScript and Everything You Know About CSS is Wrong! Kevin loves to share his wealth of knowledge and it didn't stop at books, he's also the course instructor to 3 online courses in web development. Currently Kevin is the Director of Front End Engineering at Culture Amp.
Kevin's articles
![Regular Expressions in JavaScript](https://uploads.sitepoint.com/wp-content/uploads/2016/07/1468971920Fotolia_70790497_Subscription_Monthly_M.jpg)
Wondering how to validate input with JavaScript? Kevin Yank takes a look at what regular expressions are and what they can do for you.
Former SitePoint team member Kevin Yank is back to explain three CSS tidbits that most people get wrong in his Sit the Test CSS quiz.
Read SitePoint Podcast #102: Dumb Quotes and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #100: Our Live Anniversary Show and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #99: The Now Revolution with Amber Naslund & Jay Baer and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #98: A Change in the Matrix and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #97: The Occasional Dick Move with Louis Simoneau and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #96: The Plug-in Wars and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #95: The Undetectables with Paul Irish and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #94: Appy New Year! and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
This article is about SitePoint Podcast #93. This week your hosts are Patrick O’Keefe (@iFroggy), Stephan Segraves (@ssegraves), Brad Williams (@williamsba), and Kevin Yank (@sentience).
Read SitePoint Podcast #92: BlogWorld Interviews, Part 4 and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #91: The Best Site of All Time and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #90: BlogWorld Interviews, Part 3 and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #89: Podcast of the Year and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #88: BlogWorld Interviews, Part 2 and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #87: MeltSheep and FireRock and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast Special: .net Awards Announcement and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #86: BlogWorld Interviews, Part 1 and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #85: Back to the Future and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #84: Live from BlogWorld Expo 2010 and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #83: Rethink Your Job with Adam Broadway and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint at BlogWorld Expo and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #82: Cloud Hosting with Jeff Barr and Lucas Chan and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #81: Doom, Gloom, and Rainbow Tweets and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #80: FullCodePress with Team Australia and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #79: Instant Kool-Aid and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #78: UX Bullsh*t with Matt Magain and James Mansfield and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #77: Paper or Blu-ray? and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Read SitePoint Podcast #76: Wicked WordPress Themes and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.