objective-c - 删除两个字符之间的字符串

Question

这是我的示例字符串

String of words in (brackets) to be (removed)

我想删除括号内的所有单词以及一对括号，之后的字符串将如下所示:

String of words in to be

Answer 1

使用正则表达式删除字符串如下所示(此 @"\\(.+?\\)" 是 ( 和 ) 之间字符串的正则表达式)

NSMutableString *str = [@"String of words in (brackets) to be (removed)" mutableCopy];

NSRegularExpression *regex = [NSRegularExpression         
                              regularExpressionWithPattern:@"\\(.+?\\)"
                              options:NSRegularExpressionCaseInsensitive
                              error:NULL];

[regex replaceMatchesInString:str 
                      options:0 
                        range:NSMakeRange(0, [str length])  
                 withTemplate:@""];