question: find the captcha image url . concode_field_sep HttpContext httpContext concode_elem_sep String string concode_elem_sep int start concode_elem_sep String formTitle concode_elem_sep String kCaptchaUrl concode_elem_sep Matcher regexMatcher concode_elem_sep Pattern regex concode_elem_sep String googleURL concode_elem_sep URL imageURL concode_elem_sep long WAIT_TIME concode_elem_sep String googleRegC concode_elem_sep String googleRegK concode_elem_sep String recaptchaRegK concode_elem_sep int end concode_elem_sep String cCaptchaUrl concode_field_sep void setImageURL concode_elem_sep void setImageURL concode_elem_sep void setHttpContext concode_elem_sep String findCCaptchaUrlFromK concode_elem_sep String getCCaptchaUrl concode_elem_sep String findCCaptchaUrl concode_elem_sep String getCaptchaString concode_elem_sep void setFormTitle concode_elem_sep String findKCaptchaUrl
target: URL function ( ) { imageURL = new URL ( googleURL + cCaptchaUrl ) ; return imageURL ; }