如何检测字符串是否包含某个单词?例如,我在下面有一个字符串:
@"Here is my string."
我想知道是否可以检测到字符串中的单词,例如“is”。
最佳答案
我会这样做:
NSString *someString = @"Here is my string";
NSRange isRange = [someString rangeOfString:@"is " options:NSCaseInsensitiveSearch];
if(isRange.location == 0) {
//found it...
} else {
NSRange isSpacedRange = [someString rangeOfString:@" is " options:NSCaseInsensitiveSearch];
if(isSpacedRange.location != NSNotFound) {
//found it...
}
}
您可以轻松地将其作为类别添加到 NSString
:
@interface NSString (JRStringAdditions)
- (BOOL)containsString:(NSString *)string;
- (BOOL)containsString:(NSString *)string
options:(NSStringCompareOptions)options;
@end
@implementation NSString (JRStringAdditions)
- (BOOL)containsString:(NSString *)string
options:(NSStringCompareOptions)options {
NSRange rng = [self rangeOfString:string options:options];
return rng.location != NSNotFound;
}
- (BOOL)containsString:(NSString *)string {
return [self containsString:string options:0];
}
@end
关于objective-c - 检测 NSString 是否包含...?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/3293499/