validHashtag top-level constant

String const validHashtag

Implementation

const validHashtag = '($hashtagBoundary)'
    '($hashSigns)'
    r'(?!\uFE0F|\u20E3)'
    '($hashtagAlphaNumeric*$hashtagAlpha$hashtagAlphaNumeric*|[$hashtagEmoji]+)'
    '(?<![$hashtagConcatChars])';