nscharacterset

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Is there any possibility to use more than one NSCharacterSet Object for the same NSString?

Consider this code: NSString *aString = @\"\\tThis is a sample string\"; NSString *trimmed开发者_开发知识库String = [aString stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];[详细]

2023-04-04 15:50 分类：问答
What is differnce between NSString and NSCharacterset?

I studying NSCharacterset class. NSString and NSCharacterset look like similar class. Who can explain difference 开发者_如何转开发between NSString and NSCharacterset?[详细]

2023-03-26 16:23 分类：问答
'NSCharacterSet' may not respond to '-count'

I got a warning message in NSCharacterSet *myCharSet3 = [NSCharacterSet characterSetWithCharactersInString:query3];[详细]

2023-01-21 06:00 分类：问答
How to use NSLineSeparatorCharacter and NSParagraphSeparatorCharacter?

I wonder how I can use the constants NSLineSeparatorCharacter and NSParagraphSeparatorChar开发者_如何学Cacter as a parameter to a function instead of hard coding \\n.[详细]

2023-01-19 07:34 分类：问答
Remove characters in NSCharacterSet from NSString

I have an NSCharacterSet which contains all the characters I want 开发者_如何学JAVAto remove from my NSString.[详细]

2023-01-11 05:06 分类：问答
NSCharacterSet: How do I add "_" to alphanumericCharacterSet text restriction?

Building an NSCharacter set to restrict a UITextField for entering user names. I want the user to be able to also enter an underscore (so [A-Za-z0-9_]) but alphanumericCharacterSet does not include it[详细]

2022-12-29 07:19 分类：问答
Strip Non-Alphanumeric Characters from an NSString

I\'m开发者_开发问答 looking for a quick and easy way to strip non-alphanumeric characters from an NSString. Probably something using an NSCharacterSet, but I\'m tired and nothing seems to return a str[详细]

2022-12-10 09:35 分类：问答