StringManipulationExtensions extension

Extensions on String for character manipulation, removal, and cleaning.

on

• String

Methods

appendNotEmpty(String value) → String

Available on String, provided by the StringManipulationExtensions extension

Returns this string with value appended, or an empty string if this string is empty. Audited: 2026-06-12 11:26 EDT

getEverythingAfter(String find) → String

Available on String, provided by the StringManipulationExtensions extension

Returns the substringSafe after the first occurrence of find. Returns the original string if find is not found. Audited: 2026-06-12 11:26 EDT

getEverythingAfterLast(String find) → String

Available on String, provided by the StringManipulationExtensions extension

Returns the substringSafe after the last occurrence of find. Returns the original string if find is not found. Audited: 2026-06-12 11:26 EDT

getEverythingBefore(String find) → String

Available on String, provided by the StringManipulationExtensions extension

Returns the substring before the first occurrence of find.

getRandomChar() → String

Available on String, provided by the StringManipulationExtensions extension

Returns a random character from this string. Audited: 2026-06-12 11:26 EDT

insert(String newChar, int position) → String

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with newChar inserted at the specified position.

isBracketWrapped() → bool

Available on String, provided by the StringManipulationExtensions extension

Returns true if this string starts and ends with a matching bracket pair: parentheses, square brackets, curly braces, or angle brackets. Audited: 2026-06-12 11:26 EDT

lettersOnly() → String

Available on String, provided by the StringManipulationExtensions extension

Extracts only ASCII letter characters (A-Z, a-z) from this string.

lowerCaseLettersOnly() → String

Available on String, provided by the StringManipulationExtensions extension

Extracts only ASCII lowercase letter characters (a-z) from this string.

makeNonBreaking() → String

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with hyphens and spaces replaced by non-breaking equivalents. Audited: 2026-06-12 11:26 EDT

normalizeApostrophe() → String

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with apostrophe variants replaced by a standard single quote. Audited: 2026-06-12 11:26 EDT

prefixNotEmpty(String? value) → String

Available on String, provided by the StringManipulationExtensions extension

Returns this string with value prepended, or this string unchanged if empty. Audited: 2026-06-12 11:26 EDT

removeAll(Pattern? pattern) → String

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with all occurrences of pattern removed. Audited: 2026-06-12 11:26 EDT

removeEnd(String end) → String

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with end removed from the end, if it exists.

removeEndNullable(String? find) → String?

Available on String, provided by the StringManipulationExtensions extension

Removes find from the end of this string, tolerating a null/empty find, and signals "no source to strip from" with null.

removeFirstChar() → String

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with the first character removed. Audited: 2026-06-12 11:26 EDT

removeFirstLastChar() → String

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with both the first and last characters removed. Audited: 2026-06-12 11:26 EDT

removeLastChar() → String

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with the last grapheme cluster removed.

removeLastChars(int count) → String

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with the last count grapheme clusters removed.

removeLastOccurrence(String target) → String

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with the last occurrence of target removed. Audited: 2026-06-12 11:26 EDT

removeLeadingAndTrailing(String? find, {bool trim = false}) → String?

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with leading and trailing occurrences of find removed, or null if the result is empty.

removeMatchingWrappingBrackets() → String

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with the outer matching bracket pair removed. Audited: 2026-06-12 11:26 EDT

removeNonAlphaNumeric({bool allowSpace = false}) → String

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with all non-alphanumeric characters removed.

removeNonNumbers() → String

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with all non-digit characters removed. Audited: 2026-06-12 11:26 EDT

removeStart(String? start, {bool isCaseSensitive = true, bool trimFirst = false}) → String?

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with start removed from the beginning, or null if the result is empty.

removeWrappingChar(String char, {bool trimFirst = true}) → String

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with char removed from the beginning and/or end.

repeat(int count) → String

Available on String, provided by the StringManipulationExtensions extension

Returns this string repeated count times.

replaceLastNCharacters(int n, String replacementChar) → String

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with the last n characters replaced by replacementChar. Audited: 2026-06-12 11:26 EDT

replaceLineBreaks(String? replacement, {bool deduplicate = true}) → String

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with all line breaks replaced by replacement.

replaceNonNumbers({String replacement = ''}) → String

Available on String, provided by the StringManipulationExtensions extension

Replaces all characters that are not digits (0-9) with the replacement string.

toAlphaOnly({bool allowSpace = false}) → String

Available on String, provided by the StringManipulationExtensions extension

Returns a new string with all non-letter characters removed.