![Lowell D. Thomas](https://uploads.sitepoint.com/wp-content/uploads/2016/07/1469027394170-96x96.png)
Lowell lives on the Gulf Coast of Florida, USA, loves JavaScript and has 30+ years experience with C/C++, Java, PHP, front-end databases, back-end web sites, telecom protocols, parsers and parser generators. In his spare time he loves hard-boiled detective novels and outdoor photography.
Lowell D.'s article
![An Alternative to Regular Expressions: apg-exp](https://uploads.sitepoint.com/wp-content/uploads/2016/07/1468971920Fotolia_70790497_Subscription_Monthly_M-300x169.jpg)
An Alternative to Regular Expressions: apg-exp
Lowell Thomas introduces apg-exp, a library that uses the ABNF pattern syntax to create readable, composable sets of rules for validating data.