regular expression for challenge value

Posted by Salman on Stack Overflow See other posts from Stack Overflow or by Salman
Published on 2010-12-24T12:27:49Z Indexed on 2010/12/24 12:54 UTC
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regex

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recaptcha

Hi

what will be the regular expression to extract challenge var value

i am interested in this vlaue

03AHJ_Vut9LJLOJuCsjF9PbSSMncTyUe7Y4dHX11eRLae3LGfDZ0hSfDR7jZq2ZrKJxyC-LRSSppv72oHKaQMsd-EnoVNL6p7liTh7siN26zzTA_E2rcC_JQ15613Azz4qm8HjPtAyksUdc7QZydszwolk92hBPrAAig

this value changes every time we refresh it so the expression has to be generic enough to pick up what ever is the value

var RecaptchaState = {
site : '6LeKCL8SAAAAADV5Dr-lfY2eOEV8rubeN25BAKp2',
challenge : '03AHJ_Vut9LJLOJuCsjF9PbSSMncTyUe7Y4dHX11eRLae3LGfDZ0hSfDR7jZq2ZrKJxyC-LRSSppv72oHKaQMsd-EnoVNL6p7liTh7siN26zzTA_E2rcC_JQ15613Azz4qm8HjPtAyksUdc7QZydszwolk92hBPrAAig',
is_incorrect : false,
programming_error : '',
error_message : '',
server : 'http://www.google.com/recaptcha/api/',
timeout : 18000};

any help will be appreciated, or any method to extract this value in any server side lang

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