Case sensitive captchas

[osho]

I am finding some captchas that are case sensitive. ImageTyperz is allowing for a case sensitive flag (http://www.imagetyperz.com/Forms/API.aspx)

chkCase= 0 or 1 (Set 1 as Case Sensitive, default is 0).

Is there a way to add this option?

 

[rostonix]

Sure