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Added new String extension for simple regex support
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,53 @@ | ||
| //********************************************************************************************************************** | ||
| // | ||
| // String+Regex.swift | ||
| // Simple regex functions | ||
| // Copyright ©2018 Peter Baumgartner. All rights reserved. | ||
| // | ||
| //********************************************************************************************************************** | ||
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| import Foundation | ||
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| //---------------------------------------------------------------------------------------------------------------------- | ||
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| // MARK: - | ||
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| public extension String | ||
| { | ||
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| /// Returns any matches for the supplied regex pattern | ||
| /// - parameter pattern: A valid regex pattern | ||
| /// - parameter options: The options inluence the behavior of the NSRegularExpression | ||
| /// - returns: An array of strings matching the regex pattern | ||
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| public func regexMatches(for pattern: String, options: NSRegularExpression.Options = []) -> [String] | ||
| { | ||
| if let regex = try? NSRegularExpression(pattern:pattern, options:options) | ||
| { | ||
| let string = self as NSString | ||
| let range = NSRange(location:0, length:string.length) | ||
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| return regex.matches(in:self, options:[], range:range).map | ||
| { | ||
| string.substring(with: $0.range) | ||
| } | ||
| } | ||
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| return [] | ||
| } | ||
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| /// Returns true if a string has at least one match for the supplied regex pattern | ||
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| public static func ~= (_ string: String, _ pattern: String) -> Bool | ||
| { | ||
| return !string.regexMatches(for:pattern).isEmpty | ||
| } | ||
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| } | ||
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| //---------------------------------------------------------------------------------------------------------------------- |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| // | ||
| // String+UniqueByIncrementingTests.swift | ||
| // BXSwiftUtils | ||
| // | ||
| // Created by Peter Baumgartner on 12.10.18. | ||
| // Copyright © 2018 Boinx Software Ltd. & Imagine GbR. All rights reserved. | ||
| // | ||
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| import XCTest | ||
| import BXSwiftUtils | ||
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| class String_RegexTests: XCTestCase | ||
| { | ||
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| func testPositive() | ||
| { | ||
| let str = "Bla Laber ABC Schwafel Sülz" | ||
| let matches = str.regexMatches(for:"ABC") | ||
| XCTAssertEqual(matches,["ABC"]) | ||
| } | ||
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| func testNegative() | ||
| { | ||
| let str = "Bla Laber ABC Schwafel Sülz" | ||
| let matches = str.regexMatches(for:"XYZ") | ||
| XCTAssertEqual(matches,[]) | ||
| } | ||
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| func testMatchCount() | ||
| { | ||
| let str = "Bla ABC Laber ABC Schwafel ABC Sülz" | ||
| let matches = str.regexMatches(for:"ABC") | ||
| XCTAssertEqual(matches.count,3) | ||
| } | ||
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| func testOperator() | ||
| { | ||
| let str = "Bla Laber ABC Schwafel Sülz" | ||
| let matches = str ~= "ABC" | ||
| XCTAssertEqual(matches,true) | ||
| } | ||
| } |