Hi,

I have a form with a text field that regularly gets filled out in russian - it's spam basically.

So, I'm trying to work out which is the best way to reject the form if this happens.

My main question is, is it best to do this via a script or use regex as a validation rule?

Either way, I could do with some advice or pointers to setting either up.

In particular I was looking at the Regex validation. When I select this for the text field - the Regex syntax is shown. The field currently has this in it:
{"custom":" ~ ! @ # $ % ^ & * ( ) _ ` - = + ? : ' \" , ."}

My basic question is (and probably really obvious if you know anything about regex), does the form get rejected if the above characters are entered, or are these characters that are allowed?

The next question, which is probably more technical, is I have seen some expressions that start and end with # and use ( ) and [ ] within the expression, eg #([0-9])#. The above only uses { }. What is the difference with these types of expressions

Any help or advice greatly appreciated.

Kind Regards

Duncan