here i have and html code which contains an a base64 image code and if i want to get image from html which is in form of base64 code so first i have to extract that code to decode the image from base64 code.
here is html i have :
<div class="captcha-image" style="background-image: url('data:image/jpeg;base64,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')"></div>
and i want to get the base64 image code from html
base64 image code :
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
how can i extract this base64 image code.
help!!
thanks in advance
