NSString Contains String Additions
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@interface NSString (SearchingAdditions
)
- (BOOL) containsString
:(NSString *)aString;
- (BOOL) containsString
:(NSString *)aString ignoringCase
:(BOOL)flag;
@end
@implementation NSString (SearchingAdditions
)
- (BOOL)containsString
:(NSString *)aString
{ return [self containsString:aString ignoringCase:NO];
}
- (BOOL)containsString
:(NSString *)aString ignoringCase
:(BOOL)flag
{ unsigned mask = (flag ? NSCaseInsensitiveSearch : 0);
return [self rangeOfString:aString options:mask].length > 0;
}
@end
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