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Code Quality Rank: L5
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Programming language: Swift
License: MIT License
Tags: Text    
Latest version: v0.5

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README

SwiftString

CI Status Version License Platform Swift-2.1

SwiftString is a lightweight string extension for Swift. This library was motivated by having to search StackOverflow for common string operations, and wanting them to be in one place with test coverage.

Installation

SwiftString is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod "SwiftString"

Usage

import SwiftString

Methods

between(left, right)

"<a>foo</a>".between("<a>", "</a>") // "foo"
"<a><a>foo</a></a>".between("<a>", "</a>") // "<a>foo</a>"
"<a>foo".between("<a>", "</a>") // nil
"Some strings } are very {weird}, dont you think?".between("{", "}") // "weird"
"<a></a>".between("<a>", "</a>") // nil
 "<a>foo</a>".between("<a>", "<a>") // nil

camelize()

"os version".camelize() // "osVersion"
"HelloWorld".camelize() // "helloWorld"
"someword With Characters".camelize() // "somewordWithCharacters"
"data_rate".camelize() // "dataRate"
"background-color".camelize() // "backgroundColor"

capitalize()

"hello world".capitalize() // "Hello World"

chompLeft(string)

"foobar".chompLeft("foo") // "bar"
"foobar".chompLeft("bar") // "foo"

chompRight(string)

"foobar".chompRight("bar") // "foo"
"foobar".chompRight("foo") // "bar"

collapseWhitespace()

"  String   \t libraries are   \n\n\t fun\n!  ".collapseWhitespace() // "String libraries are fun !")

contains(substring)

"foobar".contains("foo") // true
"foobar".contains("bar") // true
"foobar".contains("something") // false

count(string)

"hi hi ho hey hihey".count("hi") // 3

decodeHTML()

"The Weekend &#8216;King Of The Fall&#8217;".decodeHTML() // "The Weekend ‘King Of The Fall’"
"<strong> 4 &lt; 5 &amp; 3 &gt; 2 .</strong> Price: 12 &#x20ac;.  &#64; ".decodeHTML() // "<strong> 4 < 5 & 3 > 2 .</strong> Price: 12 €.  @ "
"this is so &quot;good&quot;".decodeHTML() // "this is so \"good\""

endsWith(suffix)

"hello world".endsWith("world") // true
"hello world".endsWith("foo") // false

ensureLeft(prefix)

"/subdir".ensureLeft("/") // "/subdir"
"subdir".ensureLeft("/") // "/subdir"

ensureRight(suffix)

"subdir/".ensureRight("/") // "subdir/"
"subdir".ensureRight("/") // "subdir/"

indexOf(substring)

"hello".indexOf("hell"), // 0
"hello".indexOf("lo"), // 3
"hello".indexOf("world") // nil

initials()

"First".initials(), // "F"
"First Last".initials(), // "FL"
"First Middle1 Middle2 Middle3 Last".initials() // "FMMML"

initialsFirstAndLast()

"First Last".initialsFirstAndLast(), // "FL"
"First Middle1 Middle2 Middle3 Last".initialsFirstAndLast() // "FL"

isAlpha()

"fdafaf3".isAlpha() // false
"afaf".isAlpha() // true
"dfdf--dfd".isAlpha() // false

isAlphaNumeric()

"afaf35353afaf".isAlphaNumeric() // true
"FFFF99fff".isAlphaNumeric() // true
"99".isAlphaNumeric() // true
"afff".isAlphaNumeric() // true
"-33".isAlphaNumeric() // false
"aaff..".isAlphaNumeric() // false

isEmpty()

" ".isEmpty() // true
"\t\t\t ".isEmpty() // true
"\n\n".isEmpty() // true
"helo".isEmpty() // false

isNumeric()

"abc".isNumeric() // false
"123a".isNumeric() // false
"1".isNumeric() // true
"22".isNumeric() // true
"33.0".isNumeric() // true
"-63.0".isNumeric() // true

join(sequence)

",".join([1,2,3]) // "1,2,3"
",".join([]) // ""
",".join(["a","b","c"]) // "a,b,c"
"! ".join(["hey","who are you?"]) // "hey! who are you?"

latinize()

"šÜįéïöç".latinize() // "sUieioc"
"crème brûlée".latinize() // "creme brulee"

lines()

"test".lines() // ["test"]
"test\nsentence".lines() // ["test", "sentence"]
"test \nsentence".lines() // ["test ", "sentence"]

pad(n, string)

"hello".pad(2) // "  hello  "
"hello".pad(1, "\t") // "\thello\t"

padLeft(n, string)

"hello".padLeft(10) // "          hello"
"what?".padLeft(2, "!") // "!!what?"

padRight(n, string)

"hello".padRight(10) // "hello          "
"hello".padRight(2, "!") // "hello!!"

startsWith(prefix)

"hello world".startsWith("hello") // true
"hello world".startsWith("foo") // false

split(separator)

"hello world".split(" ")[0] // "hello"
"hello world".split(" ")[1] // "world"
"helloworld".split(" ")[0] // "helloworld"

times(n)

"hi".times(3) // "hihihi"
" ".times(10) // "          "

toBool()

"asdwads".toBool() // nil
"true".toBool() // true
"false".toBool() // false

toFloat()

"asdwads".toFloat() // nil
"2.00".toFloat() // 2.0
"2".toFloat() // 2.0

toInt()

"asdwads".toInt() // nil
"2.00".toInt() // 2
"2".toInt() // 2

toDate()

"asdwads".toDate() // nil
"2014-06-03".toDate() // NSDate

toDateTime()

"asdwads".toDateTime() // nil
"2014-06-03 13:15:01".toDateTime() // NSDate

toDouble()

"asdwads".toDouble() // nil
"2.00".toDouble() // 2.0
"2".toDouble() // 2.0

trimmedLeft()

"        How are you? ".trimmedLeft() // "How are you? "

trimmedRight()

" How are you?   ".trimmedRight() // " How are you?"

trimmed()

"    How are you?   ".trimmed() // "How are you?"

slugify()

"Global Thermonuclear Warfare".slugify() // "global-thermonuclear-warfare"
"Crème brûlée".slugify() // "creme-brulee"

stripPunctuation()

"My, st[ring] *full* of %punct)".stripPunctuation() // "My string full of punct"

substring(startIndex, length)

"hello world".substring(0, length: 1) // "h"
"hello world".substring(0, length: 11) // "hello world"

[subscript]

"hello world"[0...1] // "he"
"hello world"[0..<1] // "h"
"hello world"[0] // "h"
"hello world"[0...10] // "hello world"

Author

Andrew Mayne, andrew@redbricklab.com

License

SwiftString is available under the MIT license. See the LICENSE file for more info.


*Note that all licence references and agreements mentioned in the SwiftString README section above are relevant to that project's source code only.