isHash function
check if the string input
is a hash
available algoritms for string algorithmName
param
md5
md4
sha1
sha256
sha384
sha512
ripemd128
ripemd160
tiger128
tiger160
tiger192
crc32
crc32b
Implementation
bool isHash(String input, String algorithmName) {
return RegExp("^[a-fA-F0-9]{${_lengths[algorithmName]}}\$").hasMatch(input);
}