ios - 从字符串中删除下划线

Question

我有一个字符串，如“aa_bb_cc”。我想将其转换为单个字符串“aa bb cc”，在 aa、bb 和 cc 之间有空格。我怎样才能做到这一点？？谢谢。

score 10 · Accepted Answer

您可以使用：

 str = [str stringByReplacingOccurrencesOfString:@"_"
                                     withString:@" "];

score 3 · Accepted Answer

NSString* newString = [oldString stringByReplacingOccurencesOfString:@"_" withString:@" "];

- (NSString *)stringByReplacingOccurrencesOfString:(NSString *)target withString:(NSString *)replacement

score 3 · Accepted Answer

使用 NSString 的stringByReplacingOccurrencesOfString

 NSString *str = @"aa_bb_cc";
 [str stringByReplacingOccurrencesOfString:@"_" withString:@""];

score 1 · Accepted Answer

[str replaceOccurrencesOfString:@"_" withString:@" " options:NSLiteralSearch range:NSMakeRange(0, [str length])];

score 1 · Accepted Answer

1

斯威夫特 4.2

var str = "aa_bb_cc"

str = str.replacingOccurrences(of: "_", with: " ")

于 2019-06-25T13:16:52.870 回答

score 0 · Accepted Answer

斯威夫特 2.2：

let input = "upload_FfAPfl-icon.png"

let output = input.stringByReplacingOccurrencesOfString("_", withString: "") // "uploadFfAPfl-icon.png"

6 回答 6