11 lines
386 B
Mathematica
11 lines
386 B
Mathematica
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if( [[NSScanner scannerWithString:@"-123.4e5"] scanFloat:NULL] )
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NSLog( @"\"-123.4e5\" is numeric" );
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else
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NSLog( @"\"-123.4e5\" is not numeric" );
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if( [[NSScanner scannerWithString:@"Not a number"] scanFloat:NULL] )
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NSLog( @"\"Not a number\" is numeric" );
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else
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NSLog( @"\"Not a number\" is not numeric" );
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// prints: "-123.4e5" is numeric
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// prints: "Not a number" is not numeric
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