binzi98的专栏

NSControl Class1. Delegate methods- (void)controlTextDidBeginEditing:(NSNotification *)aNotification;- (void)controlTextDidChange:(NSNotification *)aNotification;- (void)controlTextD

-(BOOL)validateEmail:(NSString *)email{NSString *regex = @"^(([^\\(\\)\\,\\;\\:\\s\\@\\\"\\\\]+(\\.[^\\(\\)\\,\\;\\:\\s\\@\\\"\\\\]+)*)|(\\\".+\\\"))@(([0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]

//MyImageView.h#import @interface MyImageView : NSImageView { id myDelegate;}@property(assign)id delegate;- (id)initWithDelegate:(id)delegate;@end@protocol MyImageViewDelegate-(void)mou

-(NSString *)convertHTMLToText:(NSString *)htmlString{NSString *text;if (htmlString && [htmlString length]) {NSAttributedString *attrString;NSData *data = [htmlString dataUsingEncoding: NSUn

在Cocoa中可以使用NSScanner类在文本中进行扫描和查找特定的string和tag之间的内容。在NSScanner中经常使用到的扫描string的方法有两个：- (BOOL)scanString:(NSString *)string intoString:(NSString **)stringValue 和- (BOOL)scanUpToString:(NS