HTTPParameterValue

```
I need to allow alphanumeric, new line, \t\n\r, single space and all special 
character except (< > double space)

What would be the excepted expression for configure 
Validator.HTTPParameterValue.

Ex. "02-Aug-2014 at 21:05#%#%&#1";
```

Original issue reported on code.google.com by `parashar...@gmail.com` on 27 Aug 2014 at 4:30
