iOS development-usage of Nsscanner

<span style= "FONT-SIZE:18PX;"    > NSString *bananas = @ "123.321abc137d EFG hij KL";    NSString *separatorstring = @ "FG";        BOOL result;        Nsscanner *ascanner = [Nsscanner Scannerwithstring:bananas];    Scan the string//to stop when scanning to the specified string, returning the string NSLog (@ "Scanner location:%lu", ascanner.scanlocation) with the result of the specified string;    NSString *container;    result = [Ascanner scanuptostring:separatorstring intostring:&container];    NSLog (@ "Scan succeeded:%@", [email protected] "yes": @ "NO");    NSLog (@ "Scan returned results:%@", container);        NSLog (@ "Scanner location:%lu", ascanner.scanlocation);    Scan integer//will continue to scan NSLog at the end of the last scan (@ "-------------------------------------1");    NSLog (@ "Scanner location:%lu", ascanner.scanlocation);    Nsinteger Aninteger;    result = [Ascanner scaninteger:&aninteger];    NSLog (@ "Scan succeeded:%@", [email protected] "yes": @ "NO");    NSLog (@ "Scan returned results:%ld", Aninteger);        NSLog (@ "Scanner location:%lu", ascanner.scanlocation); Scan the integer//position the scanner in the first place//the scanner will start scanning by default at the end of the last scan, instead of starting at the beginning//when scanning toA character that is not an integer will stop the scan (if the position starting the scan is not an integer, the scan will be stopped directly) NSLog (@ "-------------------------------------2");      ascanner.scanlocation = 0;    Position the scanner in the position NSLog (@ "Scanner location:%lu", ascanner.scanlocation);    Nsinteger AnInteger2;    result = [Ascanner scaninteger:&aninteger2];    NSLog (@ "Scan succeeded:%@", [email protected] "yes": @ "NO");    NSLog (@ "Scan returned results:%ld", anInteger2);        NSLog (@ "Scanner location:%lu", ascanner.scanlocation);    Scan floating-point number//when scanning to a character that is not an integer, the scan will stop (if the position starting the scan is not an integer, the scan will be stopped directly) NSLog (@ "-------------------------------------3");      ascanner.scanlocation = 0;    Position the scanner in the position NSLog (@ "Scanner location:%lu", ascanner.scanlocation);    float afloat;    result = [Ascanner scanfloat:&afloat];    NSLog (@ "Scan succeeded:%@", [email protected] "yes": @ "NO");    NSLog (@ "Scan returned results:%f", afloat);        NSLog (@ "Scanner location:%lu", ascanner.scanlocation);    NSLog (@ "-------------------------------------4");    NSLog (@ "scanned string:%@", ascanner.string);    NSLog (@ "Scanner location:%lu", ascanner.scanlocation); NSLog (@ "whether to sweepStroke to end:%@ ", [email protected]" yes ": @" NO ");</span> 

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iOS development-usage of Nsscanner