title: extracting specific part from text page html python
body: <p>i have following   </p>
  
  <pre><code>html_source = """{"linkparam":"CDAQ46598omxw=","linkmetadata":{"weblinkmetadata":{"url":"/service_ajax","sendPost":true}},"formfield":{"action":"CAUaMVVnd2t2Z1htRGl3OXAtS0FVaUY0QWFBQkNRLjhtZmduZEgzWXI4OG1maDFJMjRiV0gwATgAShUxMDIwMTQzMTg0NzMxMTE4NzMxNzBaGFVDQjBkMEpMbjFXY0dZY3d3Wjg3ZDJMQXAA","clientActions":[{"formaction":{"voteCount":{"accessibility":{"accessibilityData":{"label":"11 status"}},"simpleText":"11"},"formstatus":"FORM"}}]}}
      #below  part i want to  extract from page including curly braces
      {"linkparam":"CDAQ46597omxw=","linkmetadata":{"weblinkmetadata":{"url":"/service_ajax","sendPost":true}},"formfield":{"action":"CAUaMVVnd2t2Z1htRGl3OXAtS0FVaUY0QWFBQkNRLjhtZmduZEgzWXI4OG1maDFJMjRiV0gwATgAShUxMDIwMTQzMTg0NzMxMTE4NzMxNzBaGFVDQjBkMEpMbjFXY0dZY3d3Wjg3ZDJMQXAA","clientActions":[{"formaction":{"voteCount":{"accessibility":{"accessibilityData":{"label":"11 status"}},"simpleText":"11"},"formstatus":"FORM"}}]}}
      #above  part i want to  extract from page including curly braces
      {"linkparam":"CDAQ46448omxw=","linkmetadata":{"weblinkmetadata":{"url":"/service_ajax","sendPost":true}},"formfield":{"action":"BQkNRLjhtZmduZEgzWXI4OG1maDFJMjRiV0gwATgAShUxMDIwMTQzMTg0NzMxMTE4NzMxNzBaGFVDQjBkMEpMbjFXY0dZY3d3Wjg3ZDJMQXAA","clientActions":[{"formaction":{"voteCount":{"accessibility":{"accessibilityData":{"label":"11 status"}},"simpleText":"11"},"formstatus":"FORM"}}]}}"""a
  
  
  m = re.search(r"\{(.*?)\}", html_source)
  </code></pre>
  
  <p>i want to extract this part from the page string</p>
  
  <pre><code>{"linkparam":"CDAQ46597omxw=","linkmetadata":{"weblinkmetadata":{"url":"/service_ajax","sendPost":true}},"formfield":{"action":"CAUaMVVnd2t2Z1htRGl3OXAtS0FVaUY0QWFBQkNRLjhtZmduZEgzWXI4OG1maDFJMjRiV0gwATgAShUxMDIwMTQzMTg0NzMxMTE4NzMxNzBaGFVDQjBkMEpMbjFXY0dZY3d3Wjg3ZDJMQXAA","clientActions":[{"formaction":{"voteCount":{"accessibility":{"accessibilityData":{"label":"11 status"}},"simpleText":"11"},"formstatus":"FORM"}}]}}
  </code></pre>