function ExecRegExpr (const ARegExpr, AInputStr : RegExprString) : boolean;
function QuoteRegExprMetaChars (const AStr : RegExprString) : RegExprString;
function ReplaceRegExpr (const ARegExpr, AInputStr, AReplaceStr : RegExprString) : RegExprString;
procedure SplitRegExpr (const ARegExpr, AInputStr : RegExprString; APieces : TStrings);
function strcspn (s1 : PRegExprChar; s2 : PRegExprChar) : integer;
function StrLComp (Str1, Str2: PRegExprChar; MaxLen: Cardinal): Integer;
function StrLCopy (Dest, Source: PRegExprChar; MaxLen: Cardinal): PRegExprChar;
function StrLen (Str: PRegExprChar): Cardinal;
function StrPCopy (Dest: PRegExprChar; const Source: RegExprString): PRegExprChar;
function StrPos (Str1, Str2: PRegExprChar): PRegExprChar;
function StrScan (Str: PRegExprChar; Chr: WideChar): PRegExprChar;