directionalMarkersGroup top-level constant

String const directionalMarkersGroup

A string containing Unicode directional markers.

These markers control the directionality of the text, and are particularly important for bidirectional text that includes languages that are written from right to left, such as Arabic and Hebrew.

The markers include:

  • U+202A to U+202E: Embedding and override controls
  • U+061C: Arabic Letter Mark
  • U+200E: Left-to-Right Mark
  • U+200F: Right-to-Left Mark
  • U+2066 to U+2069: Isolate controls

Implementation

const directionalMarkersGroup = r'\u202A-\u202E'
    r'\u061C'
    r'\u200E'
    r'\u200F'
    r'\u2066\u2067\u2068\u2069';