import Foundation
let pattern = #".+?{\s*(.+?)\s*[({]"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
Here are some example of what I'd like to capture:
query SignIn($payload: AuthCredentialsInput!) {
signIn(payload: $payload) {
token
}
}
Should retrieve signIn
mutation SendConfirmationEmail($athleteId: ID!) {
sendConfirmationEmail(athleteId: $athleteId) {
id
}
}
Should retrieve sendConfirmationEmail
mutation CreateProgram($title: String!) {
createProgram(title: $title) {
id
title
}
}
Should retrieve createProgram
query GetAllExerciseTemplates {
getAllExerciseTemplates {
id
title
}
}
Should retrieve getAllExerciseTemplates
"""#
let stringRange = NSRange(location: 0, length: testString.utf16.count)
let matches = regex.matches(in: testString, range: stringRange)
var result: [[String]] = []
for match in matches {
var groups: [String] = []
for rangeIndex in 1 ..< match.numberOfRanges {
let nsRange = match.range(at: rangeIndex)
guard !NSEqualRanges(nsRange, NSMakeRange(NSNotFound, 0)) else { continue }
let string = (testString as NSString).substring(with: nsRange)
groups.append(string)
}
if !groups.isEmpty {
result.append(groups)
}
}
print(result)
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Swift 5.2, please visit: https://developer.apple.com/documentation/foundation/nsregularexpression