TDTSwiftyString
Example
To run the example project, clone the repo, and run pod install
from the Example directory first.
Installation
TDTSwiftyString is available through CocoaPods. To install it, simply add the following line to your Podfile:
pod "TDTSwiftyString"
Usage
import TDTSwiftyString
Methods
length
"".length // 0
"0123456789".length // 10
indexOf(target)
"0123456789".indexOf("nothing") // -1
"0123456789".indexOf("01") // 0
"0123456789".indexOf("3456") // 3
indexOf(target, startIndex)
"constant".indexOf("n", startIndex: 3) // 6
lastIndexOf(target)
"changing".lastIndexOf("g") // 7
"meeting".lastIndexOf("e") // 2
substring(from)
"0123456789".substring(from: 0) // "0123456789"
"0123456789".substring(from: 3) // "3456789"
"0123456789".substring(from: 9) // "9"
"0123456789".substring(from: -1) // "9"
"0123456789".substring(from: -3) // "789"
substring(to)
"0123456789".substring(to: 0) // "0"
"0123456789".substring(to: 3) // "0123"
"0123456789".substring(to: 9) // "0123456789"
"0123456789".substring(to: -1) // "0123456789"
"0123456789".substring(to: -3) // "01234567"
substring(from, to)
"0123456789".substring(from: 1, to: 1) // "1"
"0123456789".substring(from: 1, to: 5) // "12345"
substring(from, length)
"0123456789".substring(from: 1, length: 0) // ""
"0123456789".substring(from: 1, length: 1) // "1"
"0123456789".substring(from: 1, length: 7) // "1234567"
subscript
// index
"0123456789"[0] // "0"
"0123456789"[5] // "5"
"0123456789"[9] // "9"
"0123456789"[-1] // "9"
"0123456789"[-2] // "8"
"0123456789"[-9] // "1"
"0123456789"[-10] // "0"
// range
"0123456789"[0..<0] // ""
"0123456789"[5..<6] // "5"
"0123456789"[0..<1] // "0"
"0123456789"[8..<9] // "8"
"0123456789"[1..<5] // "1234"
"0123456789"[0..<9] // "012345678"
// closed range
"0123456789"[0...0] // "0"
"0123456789"[5...6] // "56"
"0123456789"[0...1] // "01"
"0123456789"[8...9] // "89"
"0123456789"[1...5] // "12345"
"0123456789"[0...9] // "0123456789"
=~ (RegularExpression operator)
let emailRegex = "^[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}$"
emailRegex =~ "[email protected]" // 0
emailRegex =~ "email-test.com" // nil
"test" =~ "[email protected]" // 6
isMatch(pattern, options)
let emailRegex = "^[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}$"
"[email protected]".isMatch(emailRegex, options: .caseInsensitive) // true
"email-test.com".isMatch(emailRegex, options: .caseInsensitive) // false
getMatches(pattern, options)
let emailRegex = "^[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}$"
let testText = "[email protected], [email protected], [email protected]"
let matches = testText.getMatches(emailRegex, options: .caseInsensitive)
for (idx, match) in matches.enumerated() {
let range = match.range
if range.location != NSNotFound {
let matchString = testText.substring(from: range.location, length: range.length)
if !matchString.isEmpty {
print(matchString)
}
}
}
let testText = "CamelCaseText"
let words = ["Camel", "Case", "Text"]
let pattern = "[A-Z][a-z]+"
let matches: [String] = testText.getMatches(pattern, options: []) // ["Camel", "Case", "Text"]
nsRange(target)
var testText = "0123456789"
var target = "78"
var range = testText.nsRange(of: target)
print(range.location) // 7
print(range.length) // 2
License
TDTSwiftyString is available under the MIT license. See the LICENSE file for more info.