ios 判断整形,浮点型
判断整形
- (BOOL)isPureInt:(NSString *)string { NSScanner* scan = [NSScanner scannerWithString:string]; int val; return [scan scanInt:&val] && [scan isAtEnd]; }
判断浮点型
- (BOOL)isPureFloat:(NSString *)string { NSScanner* scan = [NSScanner scannerWithString:string]; float val; return [scan scanFloat:&val] && [scan isAtEnd]; }