Can someone interpret this preg string for me? /[^a-z0-9\\/\\\\_.:-]/i
Here is what I can decipher. the match is case insensitive, and it excludes all letters, and numbers, and the characters _ . : and - (that is underscore, period, colon, and dash). The part I don't understand is \\/\\\\. Sees to me to say backslash, slash, backslash, backslash. Why the need for so many backslashes?
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