c# - Extract Url from Javascript in -


i new in regex can please in writing regex in c# extract url text below?

example 1

x+=1; top.location.href = "http://www.keenthemes.com/preview/index.php?theme=metronic";

example 2

alert("are sure");      top.location.href   = 'http://www.keenthemes.com/preview/index.php?theme=metronic';

if url starts http://, 1 should it:

["'](http.*)["']

the url stored in second group (groups[1].value) of match object


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