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validresponse regular expressions

lwise — Tue, 07 Mar 2017 14:10:02 GMT

I'm looking for an easy easy syntax to specify a valid response for any combination of four x's and four o's (i.e. an 8 letter string containing exactly four x and o in any pattern, without iterating through the possible patterns.

Thanks
Lisa

RE: validresponse regular expressions

lwise — Tue, 07 Mar 2017 14:10:02 GMT

Perfect Thanks so much for your prompt response Lisa

RE: validresponse regular expressions

Dave — Tue, 07 Mar 2017 08:51:51 GMT

[quote]

[b]Dave - Tuesday, March 7, 2017[/b]

[quote]

[b]lwise - Tuesday, March 7, 2017[/b]

[/quote]

You can specify a regular expression to match that pattern via an <openended>'s /mask attribute.

[/quote]

Alternatively, you can achieve a similar effect using /isvalidresponse and a couple of string functions:

<openended myopended>
/ charlimit = 8
/ isvalidresponse = [
length(replaceall(tolower(openended.myopended.response), "x","")) == 4 &&
length(replaceall(tolower(openended.myopended.response), "o","")) == 4
]
</openended>

RE: validresponse regular expressions

Dave — Tue, 07 Mar 2017 07:43:26 GMT

[quote]

[b]lwise - Tuesday, March 7, 2017[/b]

[/quote]

You can specify a regular expression to match that pattern via an <openended>'s /mask attribute.