regex101: PCRE (Legacy) Match Workspace

Regular Expression

<script>
(?:(?!</script>)[\s\S])*
(?:google-analytics)
(?:(?!</script>)[\s\S])*
</script>

New

        <script src="js/min/test.min.js"></script>
        <script>
            $('#buttons').share({
                networks: ['twitter'],
            });
        </script>

        <!--[if lt IE 9]>
            <script src="js/plugins/html5shiv.js"></script>
            <script src="js/plugins/selectivizr.js"></script>
        <![endif]-->

        <!-- location for site scripts -->
        <div id="scripts">
        <script>
          (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
          (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
          m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
          })(window,document,'script','//www.google-analytics.com/analytics.js','ga');


          ga('create', 'UA-55555-1', 'auto', 'tracker');
          ga('tracker.send', 'pageview');
        </script></div> <!-- /#lpsite-scripts -->
        <div id="lppage-scripts">
        </div>
        <script type="text/javascript" src="js/min/form-validation.min.js"></script>
        
        <script>
          (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
          (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
          m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
          })(window,document,'script','//www.google-analytics.com/analytics.js','ga');

          ga('create', 'UA-55555-1', 'auto', 'tracker');
          ga('lptracker.send', 'pageview');
        </script>

Substitution

        <script src="js/min/test.min.js"></script>
        <script>
            $('#buttons').share({
                networks: ['twitter'],
            });
        </script>

        <!--[if lt IE 9]>
            <script src="js/plugins/html5shiv.js"></script>
            <script src="js/plugins/selectivizr.js"></script>
        <![endif]-->

        <!-- location for site scripts -->
        <div id="scripts">
        <script>
          (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
          (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
          m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
          })(window,document,'script','//www.google-analytics.com/analytics.js','ga');


          ga('create', 'UA-55555-1', 'auto', 'tracker');
          ga('tracker.send', 'pageview');
        </script></div> <!-- /#lpsite-scripts -->
        <div id="lppage-scripts">
        </div>
        <script type="text/javascript" src="js/min/form-validation.min.js"></script>
        
        <script>
          (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
          (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
          m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
          })(window,document,'script','//www.google-analytics.com/analytics.js','ga');

          ga('create', 'UA-55555-1', 'auto', 'tracker');
          ga('lptracker.send', 'pageview');
        </script>