Usage

base64decode(text,[ scheme[, charset]])

Description
Decodes the given base64 text using the supplied scheme. Valid values for scheme are basic (which is the default), url and mime.

The following explanation of the encoding schemes is taken directly from https://docs.oracle.com/javase/8/docs/api/java/util/Base64.html

  • Basic
    Uses “The Base64 Alphabet” as specified in Table 1 of RFC 4648 and RFC 2045 for encoding and decoding operation. The encoder does not add any line feed (line separator) character. The decoder rejects data that contains characters outside the base64 alphabet.

  • URL and Filename safe
    Uses the “URL and Filename safe Base64 Alphabet” as specified in Table 2 of RFC 4648 for encoding and decoding. The encoder does not add any line feed (line separator) character. The decoder rejects data that contains characters outside the base64 alphabet.

  • MIME
    Uses the “The Base64 Alphabet” as specified in Table 1 of RFC 2045 for encoding and decoding operation. The encoded output must be represented in lines of no more than 76 characters each and uses a carriage return ‘\r’ followed immediately by a linefeed ‘\n’ as the line separator. No line separator is added to the end of the encoded output. All line separators or other characters not found in the base64 alphabet table are ignored in decoding operation.

Example

${base64decode("Q2hlY2sgb3V0IGh0dHA6Ly9zdHJ1Y3RyLmNvbQ==")}

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Last change 2018-07-23
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