public static int RPosEx(String needle, String str, int start) { return(UStringUtils.LastIndexOf(str, needle, start)); }
public static int RPosEx(Char needle, String str, int start) { return(UStringUtils.LastIndexOf(str, needle.ToString(), start)); }
public static int RPos(String needle, String str) { return(UStringUtils.LastIndexOf(str, needle)); }
public static int RPos(String needle, String str, Boolean ignoreCase) { return(UStringUtils.LastIndexOf(str, needle, ignoreCase)); }
public static int RPos(Char needle, String str) { return(UStringUtils.LastIndexOf(str, needle.ToString())); }