StringExtensions extension
Provides extended methods for String.
String用の拡張メソッドを提供します。
Methods
-
capitalize()
→ String
-
Captialize and return String.
-
first({String separator = "/"})
→ String
-
Divides a String by
separator and returns the first part.
-
format(List<Object> arg)
→ String
-
Replaces String with the C printf format.
-
fromAES(String key)
→ String
-
Decrypts AES-encrypted and Base64-encoded String.
-
fromBase64()
→ String
-
Decodes Base64-encoded String.
-
fromBase64Url()
→ String
-
Decodes Base64URL-encoded String.
-
isEmail()
→ bool
-
Returns whether this string is an email address or not.
-
isURL()
→ bool
-
Returns whether this string is a URL or not.
-
last({String separator = "/"})
→ String
-
Divides a String by
separator and returns the last part.
-
limit(int length, {String suffix = "..."})
→ String
-
String with
length to limit the number of characters.
-
parentPath({String separator = "/"})
→ String
-
String is divided by
separator and moved one level up.
-
splitByBigram()
→ List<String>
-
Convert
String to Bigram, i.e., an array of two characters each.
-
splitByCharacter()
→ List<String>
-
Converts
String to an array of one character at a time.
-
splitByCharacterAndBigram()
→ List<String>
-
Converts
String into a one-character array and a two-character array.
-
splitByTrigram()
→ List<String>
-
Convert
String to Trigram, i.e., an array of 3 characters each.
-
splitLength({String separator = "/"})
→ int
-
Divides String by
separator and returns the number of elements.
-
toAES(String key)
→ String
-
Pass
key of at least 32 characters to String for AES encryption.
-
toAny()
→ dynamic
-
Converts a String to a type that can be parsed as bool, int, or double, in that order, and returns the type as is.
-
toBase64()
→ String
-
Encode String into a Base64 string.
-
toBase64Url()
→ String
-
Encode String into a Base64URL string.
-
toBool([bool defaultValue = false])
→ bool
-
Converts String to bool.
-
toCamelCase()
→ String
-
Convert String to CamelCase (first letter is lower case).
-
toDateTime([DateTime? defaultValue])
→ DateTime
-
Converts String to DateTime.
-
toDouble([double defaultValue = 0.0])
→ double
-
Converts String to double.
-
toHankakuNumericAndAlphabet()
→ String
-
Converts alphabets and numbers to half-width characters.
-
toHiragana()
→ String
-
Converts katakana to hiragana.
-
toInt([int defaultValue = 0])
→ int
-
Converts String to int.
-
toJsonList<T extends Object>([List<T> defaultValue = const []])
→ List<T>
-
Converts String to a Json-decoded List
-
toJsonMap<T extends Object>([Map<String, T> defaultValue = const {}])
→ Map<String, T>
-
Converts
String to a Json-decoded Map<String, dynamic> object.
-
toJsonObject([Object? defaultValue])
→ dynamic
-
Converts String to a Json-decoded object.
-
toKatakana()
→ String
-
Converts hiragana into katakana.
-
toPascalCase()
→ String
-
Convert String to Pascal case (first letter capitalized).
-
toSHA1()
→ String
-
Hash String with SHA1.
-
toSHA256(String password)
→ String
-
Give
password to String and hash it with HMAC-SHA256.
-
toSnakeCase()
→ String
-
Convert String to snake case.
-
toUri()
→ Uri?
-
Converts string to Uri.
-
toZenkakuKatakana()
→ String
-
Converts half-width katakana to full-width katakana.
-
toZenkakuNumericAndAlphabet()
→ String
-
Converts alphabets and numbers to full-width characters.
-
trimQuery()
→ String
-
Trims URL query characters (after ?).
-
trimString(String chars)
→ String
-
Trims the characters given by
chars from before and after String.
-
trimStringLeft(String chars)
→ String
-
Trims the characters given by
chars from before String.
-
trimStringRight(String chars)
→ String
-
Trims the characters given by
chars from after String.
