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Search Within Array Object in Swift


Search Within Array Object in Swift

By : wiesel
Date : November 18 2020, 03:49 PM
To fix this issue I have an array of restaurants that are objects with name, type, location, etc. How can I search for just a restaurant name, or just a location without searching the entire array object? , You can use filteredArrayUsingPredicate. Here is the small example:
code :
NSString *searchString = @"a";
NSArray *filteredProducts = [products filteredArrayUsingPredicate:[NSPredicate predicateWithFormat:@"title CONTAINS[cd] %@", searchString]];
let searchString = "text_to_search"
let predicate = NSPredicate(format: "title CONTAINS[cd] %@", searchString);
let filteredArray = array.filteredArrayUsingPredicate(predicate!);


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Search an array based on search text using Swift

Search an array based on search text using Swift


By : user3494689
Date : March 29 2020, 07:55 AM
hop of those help? A search corresponding to the predicate operator "CONTAINS[c]" can be achieved with rangeOfString() with the .CaseInsensitiveSearch option:
code :
let searchText = "MITH"

let filtered = nameList.filter {
    return $0["firstName"]?.rangeOfString(searchText, options: .CaseInsensitiveSearch) != nil
}

// Result: [[firstName: Smith, lastName: Green]]
let filtered = nameList.filter {
    return $0["firstName"]?.range(of: searchText, options: .caseInsensitive) != nil
}
Search in object array in Swift

Search in object array in Swift


By : maud L
Date : March 29 2020, 07:55 AM
it fixes the issue You can use the filter method on arrays to find matches. Since your array properties are optional this needs to be considered as well and I filtered first on .fat since it's the cheapest performance vice.
code :
let result = productsTmpObjectArray.filter {($0.fat == 8) &&
   $0.temporaryPodSegmentyRynku?.contains("DANIE_GLOWNE") && 
   $0.temporaryConcepts?.contains("SHARE_THE_FUN") && 
   $0.temporarySegmentyRynku?.contains("HOTEL") }

let result2 = productsTmpObjectArray.filter { $0.prepDeepFryer?.isEmpty }
Search a string array with substrings contained in the array Swift 4.x

Search a string array with substrings contained in the array Swift 4.x


By : Joshua Crouch
Date : March 29 2020, 07:55 AM
Any of those help This gives you all elements with a duplicate prefix into an unidimensional array:
code :
var elements = ["A2A1", "A1A2", "A1B1", "B1A1", "B1C1", "C1B1", "D3E3", "E4E3", "E3D3", "E3E4"]

let elementsWithDupPrefix = elements.filter { (str) -> Bool in
    let prefix = String(str.prefix(2))
    return elements.firstIndex(where: { $0.hasPrefix(prefix) }) != elements.lastIndex(where: { $0.hasPrefix(prefix) })
}
Show master array results, based on nested array element search in swift

Show master array results, based on nested array element search in swift


By : user2641006
Date : March 29 2020, 07:55 AM
wish help you to fix your issue I have set of example data , This should do the trick:
code :
let text = "The iPhone"
let filteredSections = sectionsData.compactMap({ (aSection) -> Section? in
    let keptItems = aSection.items.filter({ $0.detail.contains(text) })
    if keptItems.isEmpty {
        return nil
    } else {
        return Section(name: aSection.name, items: keptItems, collapsed: aSection.collapsed)
    }
})
How to Search an array of object in Swift 3

How to Search an array of object in Swift 3


By : anweshi
Date : March 29 2020, 07:55 AM
wish helps you I am trying to search an array of objects that I'm pulling from a Firebase database. The data is loading fine but when I try to search nothing shows. I've only been learning iOS/Swift development for about 6 weeks now. Below is code I have. , if your Service class is as follows
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