Using regular quick to find the different characters _ regular expressions of two strings

Source: Internet
Author: User
<script language= "JavaScript" > var str1 = "Find a comparison string processing function"; var str2 = "Seek two or three comparison string processing"; var re = new RegExp (? =.*?) [^ "+ str1 +"] (?=.*?)| (?=.*?) [^ "+ str2 +"] (? =.*?) "," G "); var arr; while ((arr = re.exec (str1 + str2))!= null) {document.write (arr); } </script>
[Ctrl + A All SELECT Note: If the need to introduce external JS need to refresh to perform]

The output results are:
One function two or three

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