26/12/2017

• regex101 : Free PCRE-based regular expression debugger with real time explanation, error detection and highlighting.
• JSON Schema : JSON Schema is a vocabulary that allows you to annotate and validate JSON documents.
• Security Guide for Developers : A practical security guide for web developers.
• SDF Public Access UNIX System : The Super Dimension Fortress is a networked community of free software authors, teachers, librarians, students, researchers, hobbyists, computer enthu...
• Comparing E-mail Address Validating Regular Expressions : This page compares regular expressions that validate e-mail addresses in order to find the best one.