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NSCharacterSet 简单用法
转载来源 NSCharacterSet其实是许多字符或者数字或者符号的组合，在网络处理的时候会用到 NSMutableCharacterSet *base = [NSMutableCharacterSet lowercaseLetterCharacterSet]; //字母 NSCharacterSet *decimalDigit = [NSCharacterSet decimalDigitCharacterSet BOOL)isPureNumandCharacters:(NSString *)string { string = [string stringByTrimmingCharactersInSet:[NSCharacterSet
42640发布于 2018-05-28 - 来自专栏DannyHoo的专栏
NSCharacterSet类在分割字符串中的应用
https://blog.csdn.net/u010105969/article/details/47043073 NSCharacterSet * set = [NSCharacterSet arrayWithArray:arr2]; [array1 removeObject:@""]; [array1 removeObject:@""]; 上面是一个分割字符串的例子，这里用到了NSCharacterSet
1.6K20发布于 2018-09-13 - 来自专栏陈满iOS
iOS开发小点·NSString过滤特定字符
过滤特定字符 NSCharacterSet *filterSet = [NSCharacterSet characterSetWithCharactersInString:@"[]{}（#%-*+=_）
1.3K20发布于 2018-10-25 - 来自专栏岑志军的专栏
iOS提取字符串
YES; } } return NO; } 2、过滤特殊字符串 + (NSString *)isSpecialCharacter:(NSString *)str{ NSCharacterSet *doNotWant = [NSCharacterSet characterSetWithCharactersInString:@"@／：；（）¥「」＂、[]{}%-+=_\\|~＜＞$€^•'@$% ]; NSScanner *scanner = [NSScanner scannerWithString:originalString]; // 提取包含0-9和*#的字符串 NSCharacterSet *numbers = [NSCharacterSet characterSetWithCharactersInString:@"0123456789*#"]; while (!
1.3K30发布于 2018-05-28 - 来自专栏全栈程序员必看
字符串分割与拼接「建议收藏」
，则将NSArray转化为NSMutableArray NSArray * array2 = [ptr componentsSeparatedByCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:@", "]];//以字符串中的字符作为分割条件进行分割 《字符集合》 NSCharacterSet 这是个字符集合类 [NSCharacterSet characterSetWithCharactersInString:@", "]//把字符串转化为字符集合
42810编辑于 2022-08-24 - 来自专栏freesan44
iOS中URL编码那些事
方法2：(推荐) 使用到的API - (nullable NSString *)stringByAddingPercentEncodingWithAllowedCharacters:(NSCharacterSet p1=abc&p2=我是参数2"; NSCharacterSet *encodeUrlSet = [NSCharacterSet URLQueryAllowedCharacterSet]; NSString stringByAddingPercentEncodingWithAllowedCharacters用法 stringByAddingPercentEncodingWithAllowedCharacters接收NSCharacterSet 对象，几种常用的NSCharacterSet： URLFragmentAllowedCharacterSet "#%<>[\]^`{|} URLHostAllowedCharacterSet
2.9K20发布于 2018-09-05 - 来自专栏iOS开发～
iOS_调起各个地图软件
=0&style=2", toCoor.latitude, toCoor.longitude] stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet toCoor.latitude, toCoor.longitude, targetName] stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet 1&policy=0", toCoor.latitude, toCoor.longitude] stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet targetName, toCoor.latitude, toCoor.longitude] stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet
52310编辑于 2022-07-20 - 来自专栏日常技术分享
iOS富文本之数字小角标
initWithString:text.uppercaseString]; NSScanner *scanner = [NSScanner scannerWithString:text]; NSCharacterSet *numbers = [NSCharacterSet characterSetWithCharactersInString:@"0123456789"]; while (!
86910发布于 2020-07-30 - 来自专栏日常技术分享
ios 跳转第三方App实现导航
name=北京&mode=driving&coord_type=gcj02",lat,lng] stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet %@&dev=0&style=2",@"导航功能",@"nav123456",lat,lng] stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet directionsmode=driving",@"导航测试",@"nav123456",lat,lng] stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet tocoord=%@,%@&to=终点&coord_type=1&policy=0",lat,lng] stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet
2.8K30发布于 2018-09-13 - 来自专栏iOS开发随笔
iOS NSString 去除空格和回车
去除两端空格 NSString *temp = [textField.text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet ]]; 去除两端空格和回车 NSString *text = [temp stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet
2.2K30发布于 2018-07-04 - 来自专栏网罗开发
iOS UITextField 显示银行卡格式
self.contentTextField) { // 4位分隔银行卡卡号 NSString *text = [textField text]; NSCharacterSet *characterSet = [NSCharacterSet characterSetWithCharactersInString:@"0123456789\b"]; string =
1.1K20发布于 2021-01-29 - 来自专栏Rindew的iOS技术分享
iOS去除特殊字符
*)text { NSString *strResult = nil; NSMutableString *originString = [text mutableCopy]; NSCharacterSet *cs = [NSCharacterSet characterSetWithCharactersInString:@"~!
4.2K30发布于 2019-05-17 - 来自专栏日常技术分享
iOS输入一个字符串，判断这个字符串是否是有效的IP地址
val] && [scan isAtEnd]; } //是否只含有数字 + (BOOL)validateNumber:(NSString*)number { BOOL res = YES; NSCharacterSet * tmpSet = [NSCharacterSet characterSetWithCharactersInString:@"0123456789"]; int i = 0; while (i
1.2K10发布于 2020-06-16 - 来自专栏mukekeheart的iOS之旅
OC基础--字符串
NSLocale *)locale; //////////搜索字符集合////////// //12.搜索(指定字符集合) - (NSRange)rangeOfCharacterFromSet:(NSCharacterSet *)searchSet; //13.搜索(指定字符集合,条件) - (NSRange)rangeOfCharacterFromSet:(NSCharacterSet *)searchSet options :(NSStringCompareOptions)mask; //14.搜索(指定字符集合,条件,范围) - (NSRange)rangeOfCharacterFromSet:(NSCharacterSet D, E, F) //分割(指定字符集合) NSArray *resultArr2 = [string componentsSeparatedByCharactersInSet:[NSCharacterSet af"; //////////修剪////////// NSString *result1 = [string stringByTrimmingCharactersInSet:[NSCharacterSet
1.2K40发布于 2020-09-07 - 来自专栏娱乐心理测试
UITextField 常用方法实例
NSRange)range replacementString:(NSString *)string { NSString *text = [textField text]; NSCharacterSet *characterSet = [NSCharacterSet characterSetWithCharactersInString:@"0123456789\b"]; string =
65540发布于 2019-05-26 - 来自专栏韦弦的偶尔分享
WKWebView 加载 Uni-App 导出的本地 H5
id=%@",@"testId"] stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLFragmentAllowedCharacterSet [[NSString stringWithFormat:@"file://%@",path] stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet
1.5K30编辑于 2022-09-21 - 来自专栏日常技术分享
iOS UITextField 限制输入
验证格式 @return BOOL */ - (BOOL)inputTypeVerification:(NSString *)aStr format:(NSString *)format{ NSCharacterSet * filterCS = [[NSCharacterSet characterSetWithCharactersInString:format] invertedSet]; NSString *
1.5K10发布于 2019-01-28 - 来自专栏iOS逆向与安全
iOS小技能：提取数字(文本框对粘贴内容进行手机号码提取）
里的字符都找出来(包含去空格功能)替换成"" truePhone = [[truePhone componentsSeparatedByCharactersInSet:[[NSCharacterSet if(self.model.isgetPhone){ textField.text = [textField.text stringByTrimmingCharactersInSet:[NSCharacterSet textField.text = [textField.text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet
1.6K50编辑于 2022-08-22 - 来自专栏iOS开发笔记
iOS开发+(nullable instancetype)URLWithString:(NSString *)URLString
NSURL *url = [NSURL URLWithString:[string stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet
95670发布于 2019-05-15 - 来自专栏编程之旅
iOS开发——大大节省代码量的小技巧
似乎只能去除头尾的特殊字符(不准) + (NSString *)filterSpecialWithString:(NSString *)string { // 定义一个特殊字符的集合 NSCharacterSet *set = [NSCharacterSet characterSetWithCharactersInString: @ "@／：；: ;（）? + (BOOL)checkIdentityCardNo:(NSString*)value { value = [value stringByTrimmingCharactersInSet:[NSCharacterSet
60640发布于 2018-08-30
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