s/\\:/x01/g;   # Replaces each "\" followed by ":"
s/\\|/x02/g;   # Replaces each "\" and zero-length string
s/\\~/x03/g;   # Replaces each "\" followed by "~"
s/\\\\/x04/g;  # Replaces each "\" pair

##</code><code>##

s/\\:/x01/g;   # Replaces each "\" followed by ":"
s/\\\|/x02/g;  # Replaces each "\" followed by "|"
s/\\~/x03/g;   # Replaces each "\" followed by "~"
s/\\\\/x04/g;  # Replaces each "\" pair

##</code><code>##

s/:/x01/g;   # Replaces each ":"
s/\|/x02/g;  # Replaces each "|"
s/~/x03/g;   # Replaces each "~"
s/\\/x04/g;  # Replaces each "\"