Receives a string along with starting and ending delimiters and returns the part of the string between the delimiters. Receives a beginning occurence to begin the extraction from and also receives a flag (0/1) where 1 indicates that the search should be case insensitive.

Example:
string cExpression = "JoeDoeJoeDoe";
VFPToolkit.strings.StrExtract(cExpression, "o", "eJ", 1, 0);		//returns "eDo"

public static string StrExtract( string cSearchExpression,
	string cBeginDelim,
	string cEndDelim,
	int nBeginOccurence,
	int nFlags );