Re^2: How can I encode a string using only lower case letters and numbers?

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Re^3: How can I encode a string using only lower case letters and numbers?
by BrowserUk (Patriarch) on Feb 15, 2015 at 21:43 UTC

Will also deal with the full range of byte values, 0..255:

$b36 = ''; 
$b36 .= encode_base36( $_, 7 ) for map unpack('V', $_), unpack '(Z4)*'
+, 'ASillyLongstringWithFunnyCharacters!"Ł$%^&*():;@#~{[]}`ŹŚ|\/?';;
print $b36;;
0U2W3EP0UVQCMK0WB704U0SP59PU0SZDAHJ0UN2HQE0R0Z2IH0WAKHV609A4RJ90AB0EG2
+0B56YQM0HTL7HL0PDSILF1B9UICD0D52TWD

$s = ''; 
$s .= pack 'V', $_ for map decode_base36( $_ ), unpack '(a7)*', $b36;;
print $s;;
ASillyLongstringWithFunnyCharacters!"Ł$%^&*():;@#~{[]}`ŹŚ|\/
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