Unicode 18.0.0
Why can two regional indicators stay two letters?
A flag emoji is two regional indicator scalars. One indicator is a letter symbol. A renderer can show the pair as two letters. Code points: U+1F1FA, U+1F1F8. Sequence support was not tested. The pair does not prove that a destination draws a flag. A non-equivalent fallback is "US" (The ASCII letters named by this pair). Two letters, not a flag emoji. The letters match only this two-indicator string. Font coverage, shaping, and application acceptance were not tested, so those results are unknown.
Code points
- 🇺
U+1F1FA - 🇸
U+1F1F8
What was checked
Two regional indicators are a flag sequence
A flag emoji is two regional indicator scalars. One indicator is a letter symbol. A renderer can show the pair as two letters.
Sequence support was not tested. The pair does not prove that a destination draws a flag.
Keep both indicators when a flag sequence is required. Use the ASCII letters when the destination must not depend on an emoji flag.
- Fallback US: The ASCII letters named by this pair Two letters, not a flag emoji. The letters match only this two-indicator string.
Two regional indicators are a flag sequence
A flag emoji is two regional indicator scalars. One indicator is a letter symbol. A renderer can show the pair as two letters.
Sequence support was not tested. The pair does not prove that a destination draws a flag.
Keep both indicators when a flag sequence is required. Use the ASCII letters when the destination must not depend on an emoji flag.
- Fallback US: The ASCII letters named by this pair Two letters, not a flag emoji. The letters match only this two-indicator string.
What this does not prove
No OS, font, browser, application, field policy or rendering engine was tested. Unicode validity and segmentation do not establish actual display or acceptance.
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