Merge pull request swiftlang#924 from ianpartridge/nsregularexpression

Author: swift-ci

Foundation/NSRegularExpression.swift

@@ -75,7 +75,7 @@ open class NSRegularExpression: NSObject, NSCopying, NSCoding {
     /* An instance of NSRegularExpression is created from a regular expression pattern and a set of options.  If the pattern is invalid, nil will be returned and an NSError will be returned by reference.  The pattern syntax currently supported is that specified by ICU.
     */
 
-    public init(pattern: String, options: Options) throws {
+    public init(pattern: String, options: Options = []) throws {
         var error: Unmanaged<CFError>?
 #if os(OSX) || os(iOS)
         let opt =  _CFRegularExpressionOptions(rawValue: options.rawValue)

TestFoundation/TestNSRegularExpression.swift

@@ -35,7 +35,7 @@ class TestNSRegularExpression : XCTestCase {
         do {
             let str = NSString(string: searchString)
             var range = NSMakeRange(0, str.length)
-            let regex = try NSRegularExpression(pattern: patternString, options: [])
+            let regex = try NSRegularExpression(pattern: patternString)
             do {
                 let lookingRange = regex.rangeOfFirstMatch(in: searchString, options: .anchored, range: range)
                 let matchRange = regex.rangeOfFirstMatch(in: searchString, options: [], range: range)