Performing Form Validation with Regular Expressions

  • Jason Lengstorf
  • Keith Wald


It’s your responsibility as a developer to ensure that your users’ data is useful to your app, so you need to confirm that critical information is validated before storing it in your database.


Pattern Match Regular Expression Character Class Error Message Word Boundary 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Supplementary material (22 kb)
ch09 (zip 23 kb)

Copyright information

© Jason Lengstorf and Keith Wald 2016

Authors and Affiliations

  • Jason Lengstorf
    • 1
  • Keith Wald
    • 1
  1. 1.CAUS

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