Std\Encoding

Encoding – string encoding and decoding utilities.

Provides Base64, hex, URL percent-encoding, and HTML entity escaping.

Functions

base64Encode : String -> String

Encode a string to Base64.

import base64Encode from Std\Encoding in
base64Encode "hello"   # => "aGVsbG8="

base64Decode : String -> String

Decode a Base64-encoded string back to its original form.

import base64Decode from Std\Encoding in
base64Decode "aGVsbG8="   # => "hello"

hexEncode : String -> String

Encode each byte of a string as two hex characters.

import hexEncode from Std\Encoding in
hexEncode "AB"   # => "4142"

hexDecode : String -> String

Decode a hex-encoded string back to bytes.

import hexDecode from Std\Encoding in
hexDecode "4142"   # => "AB"

urlEncode : String -> String

Percent-encode a string for use in URLs.

import urlEncode from Std\Encoding in
urlEncode "hello world"   # => "hello%20world"

urlDecode : String -> String

Decode a percent-encoded URL string.

import urlDecode from Std\Encoding in
urlDecode "hello%20world"   # => "hello world"

htmlEscape : String -> String

Escape HTML special characters (<, >, &, ", ') to their entity equivalents.

import htmlEscape from Std\Encoding in
htmlEscape "<b>hi</b>"   # => "&lt;b&gt;hi&lt;/b&gt;"