PHP regular expression matching unicode encoding regular expression method. In the php Tutorial, the regular expression matches the regular expression method of unicode encoding. because of the special nature of unicode encoding, the general Chinese or English regular expressions cannot obtain the expected content correctly, next let's take a look at the regular expression matching unicode encoding regular expression method in a php Tutorial. because of the special nature of unicode encoding, the general Chinese or English regular expressions cannot get the content we want correctly, here is a professional unicode regular expression.
View the unicode encoding diagram.
$ Words = "0123456789 abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrsruvwxyz! @ # $ % ^ & * () _ +-= [],./{} | <>? '"Hello, we ";
$ Otherstr = preg_replace ("// [x {0080}-x {00ff}] +/iu", "", $ words );
Echo 'otherstr: ', $ otherstr;
Because of the special nature of unicode encoding, the general Chinese or English regular expressions cannot get the content we want correctly. let's take a look at this...
