NSRegularExpression Extension Reference
NSRegularExpression
public extension NSRegularExpressionsee also https://developer.apple.com/documentation/foundation/nsregularexpression // replace https://gist.github.com/watanabetoshinori/37f5bac79fc3f656f46c8711b6c78257 https://learnappmaking.com/regular-expressions-swift-string/ https://stackoverflow.com/questions/27880650/swift-extract-regex-matches https://www.hackingwithswift.com/articles/108/how-to-use-regular-expressions-in-swift https://www.hackingwithswift.com/articles/154/advanced-regular-expression-matching-with-nsregularexpression https://www.advancedswift.com/regex-capture-groups/
-
Ininializes a regular expression with the given pattern.
Declaration
Swift
convenience init(with pattern: String, options: NSRegularExpression.Options = [])Parameters
patternString
options0 or more of .caseInsensitive, .allowCommentsAndWhitespace, .ignoreMetacharacters, .dotMatchesLineSeparators, .anchorsMatchLines, .useUnixLineSeparators, .useUnicodeWordBoundaries,
-
Test whether the string matches the pattern.
Declaration
Swift
func doesMatch(_ string: String) -> BoolParameters
stringString
Return Value
true if the string matches the pattern
-
Find all matches found in the given string.
Declaration
Swift
func findAll(in string: String) -> [String]Parameters
stringString
Return Value
[String] where the first element is the matching string and the following elements are the substrings that matched the capturing groups (if any)
-
Replace parts matched by pattern by replacement in string
- Example “Hello World!”.replace(pattern: “Hello (.+)”, replacement: “Goodbye $1”) -> “Goodbye World!”
Declaration
Swift
func replace(pattern: String, replacement: String, in string: String) -> StringParameters
patternString, pattrrn to match (may contain capture groups)
replacementString (may contain backreferences $1,… to captured matches)
stringString, input
Return Value
String, modified