Find index of first charater after OWS(optional white spaces) or Obsolete line folding
Find index of first charater after padding white spaces and CRLFs
Find index of a ascii character that forms a language construct,
quoted characters are opaque tokens by definition, therefore are not taken into account
Find index of a ascii character that forms a language construct,
bypass all tokens that are bracket or double quoted
Adding quote to a string if neccessary so that it can be correctly used in a internet message header parameter field
Trim a string from both starting and ending white spaces
Remove wrapping brackets from a string to retrieve its literal value
Unquote a string to retrieve its literal value