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RegEx
I want to decode a Base64 encoded string, then store it in my database. If the input is not Base64 encoded, I need to throw an error.
How can I check if a string is Base64 encoded?
String encoded = parse.matcher(pem).replaceFirst("$1");
replaceAll("\p{C}", "?");
(0[1-9]|1[1,2])(\/|-)(0[1-9]|[12][0-9]|3[01])(\/|-)(19|20)\d{2}