title: regex get number betwen quotes
body: <p>i have difrent string json type egz formats in line</p>
  <pre><code>{&quot;env&quot;:&quot;stato&quot;,&quot;usc&quot;:&quot;00000000&quot;,&quot;isc&quot;:&quot;000100&quot;,&quot;sn&quot;:&quot;0120xxxxmacxxx&quot;}
  {{&quot;cmd&quot;:&quot;stat&quot;},{&quot;usc&quot;:&quot;00000000&quot;,{&quot;isc&quot;:&quot;1001000&quot;}},&quot;sn&quot;:&quot;0120xxxxmacxxx&quot;}
  {{&quot;cmd&quot;:&quot;status&quot;,&quot;usc&quot;:&quot;00000000&quot;,&quot;isc&quot;:&quot;1110001&quot;},&quot;sn&quot;:&quot;0120xxxxmacxxx&quot;}
  {'stat':'dev',{data:['usc':'00000000','isc':'10010001']},'sn':'0120xxxxmacxxx'}
  </code></pre>
  <p>need single regex by get only numbers 0-1 format in quotes after <strong>&quot;isc&quot;:&quot;<em><strong>NEED THIS NUMBERS ONLY</strong></em>&quot;</strong> in single php regex for all formats.
  egs</p>
  <pre><code>$json = '{&quot;env&quot;:&quot;stato&quot;,&quot;usc&quot;:&quot;00000000&quot;,&quot;isc&quot;:&quot;00010000&quot;,&quot;sn&quot;:&quot;0120xxxxmacxxx&quot;}';
  $find = &quot;isc&quot;;    
  function find_data($find,$json){
    preg_match('/,[{[]*[&quot;\']'.$find.'[&quot;\']:[&quot;\'](.*)[&quot;\'][}]]*,/i', $json, $r);
    return $r;
  }
  </code></pre>
  <p>json loop solution does not come! json search can only be accepted on one line of code,
  I have limited computing and memory resources in atmega 16</p>
  <p>thx for help</p>