ObjStringNullExt extension

on

• Obj<String?>

Properties

codeUnits → List<int>?

Available on Obj<String?>, provided by the ObjStringNullExt extension

An unmodifiable list of the UTF-16 code units of this string.

no setter

isEmpty → bool?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Whether this string is empty.

no setter

isNotEmpty → bool?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Whether this string is not empty.

no setter

length → int?

Available on Obj<String?>, provided by the ObjStringNullExt extension

The length of the string.

no setter

runes → Runes?

Available on Obj<String?>, provided by the ObjStringNullExt extension

An Iterable of Unicode code-points of this string.

no setter

Methods

codeUnitAt(int index) → int?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Returns the 16-bit UTF-16 code unit at the given index.

compareTo(String other) → int?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Compares this string to other.

contains(Pattern other, [int startIndex = 0]) → bool?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Whether this string contains a match of other.

endsWith(String other) → bool?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Whether this string ends with other.

indexOf(Pattern pattern, [int start = 0]) → int?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Returns the position of the first match of pattern in this string, starting at start, inclusive:

lastIndexOf(Pattern pattern, [int? start]) → int?

Available on Obj<String?>, provided by the ObjStringNullExt extension

The starting position of the last match pattern in this string.

padLeft(int width, [String padding = ' ']) → String?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Pads this string on the left if it is shorter than width.

padRight(int width, [String padding = ' ']) → String?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Pads this string on the right if it is shorter than width.

replaceAll(Pattern from, String replace) → String?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Replaces all substrings that match from with replace.

replaceAllMapped(Pattern from, String replace(Match match)) → String?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Replace all substrings that match from by a computed string.

replaceFirst(Pattern from, String to, [int startIndex = 0]) → String?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Creates a new string with the first occurrence of from replaced by to.

replaceFirstMapped(Pattern from, String replace(Match match), [int startIndex = 0]) → String?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Replace the first occurrence of from in this string.

replaceRange(int start, int? end, String replacement) → String?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Replaces the substring from start to end with replacement.

split(Pattern pattern) → List<String>?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Splits the string at matches of pattern and returns a list of substrings.

splitMapJoin(Pattern pattern, {String onMatch(Match)?, String onNonMatch(String)?}) → String?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Splits the string, converts its parts, and combines them into a new string.

startsWith(Pattern pattern, [int index = 0]) → bool?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Whether this string starts with a match of pattern.

substring(int start, [int? end]) → String?

Available on Obj<String?>, provided by the ObjStringNullExt extension

The substring of this string from start, inclusive, to end, exclusive.

toLowerCase() → String?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Converts all characters in this string to lower case.

toUpperCase() → String?

Available on Obj<String?>, provided by the ObjStringNullExt extension

Converts all characters in this string to upper case.

trim() → String?

Available on Obj<String?>, provided by the ObjStringNullExt extension

The string without any leading and trailing whitespace.

trimLeft() → String?

Available on Obj<String?>, provided by the ObjStringNullExt extension

The string without any leading whitespace.

trimRight() → String?

Available on Obj<String?>, provided by the ObjStringNullExt extension

The string without any trailing whitespace.

Operators

operator [](int index) → String?

Available on Obj<String?>, provided by the ObjStringNullExt extension

The character (as a single-code-unit String) at the given index.