Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

### - u -

- UCharCharacterIterator() : icu::UCharCharacterIterator
- UCharsTrie() : icu::UCharsTrie
- UCharsTrieBuilder() : icu::UCharsTrieBuilder
- unescape() : icu::UnicodeString
- unescapeAt() : icu::UnicodeString
- unext() : icu::StringEnumeration
- UnicodeSet() : icu::UnicodeSet
- UnicodeSetIterator() : icu::UnicodeSetIterator
- UnicodeString() : icu::UnicodeString
- UnicodeStringAppendable() : icu::UnicodeStringAppendable
- unistr : icu::StringEnumeration
- unit : icu::number::impl::MacroProps , icu::number::NumberFormatterSettings< Derived >
- unitDisplayCase : icu::number::impl::MacroProps , icu::number::NumberFormatterSettings< Derived >
- unitWidth : icu::number::impl::MacroProps , icu::number::NumberFormatterSettings< Derived >
- unlimited() : icu::number::Precision
- UnlocalizedNumberFormatter() : icu::number::UnlocalizedNumberFormatter
- UnlocalizedNumberRangeFormatter() : icu::number::UnlocalizedNumberRangeFormatter
- unregister() : icu::BreakIterator , icu::Calendar , icu::Collator , icu::NumberFormat , icu::Transliterator
- unsuppressBreakAfter() : icu::FilteredBreakIteratorBuilder
- usage : icu::number::impl::MacroProps , icu::number::NumberFormatterSettings< Derived >
- useAnchoringBounds() : icu::RegexMatcher
- useDaylightTime() : icu::RuleBasedTimeZone , icu::SimpleTimeZone , icu::TimeZone , icu::VTimeZone
- usesNamedArguments() : icu::MessageFormat
- useTransparentBounds() : icu::RegexMatcher
- UTC_TIME : icu::DateTimeRule
- utf8Fold() : icu::CaseMap
- utf8ToLower() : icu::CaseMap
- utf8ToTitle() : icu::CaseMap
- utf8ToUpper() : icu::CaseMap
- UTIMEUNIT_FIELD_COUNT : icu::TimeUnit
- UTimeUnitFields : icu::TimeUnit