iOS client for Grain
grain.social
ios
photography
atproto
fix: support Unicode characters in hashtag parsing
Hashtag regex only matched ASCII letters, so accented characters like
the á in #Bogotá were excluded. Switch to \p{L} and \p{N} Unicode
classes so hashtags with diacritics, CJK, Cyrillic, etc. are fully
matched and tappable.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Grain/Utilities/BlueskyPost.swift
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Grain/Utilities/BlueskyPost.swift
···
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}
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// Hashtags (same regex as web)
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let hashtagPattern = try! NSRegularExpression(pattern: #"#([a-zA-Z][a-zA-Z0-9_]*)"#)
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let hashtagPattern = try! NSRegularExpression(pattern: #"#(\p{L}[\p{L}\p{N}_]*)"#)
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for match in hashtagPattern.matches(in: text, range: NSRange(location: 0, length: nsText.length)) {
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guard let fullRange = Range(match.range, in: text),
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let tagRange = Range(match.range(at: 1), in: text) else { continue }
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Grain/Views/Components/RichTextView.swift
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Grain/Views/Components/RichTextView.swift
···
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private func segmentsFromRegex(text: String) -> [Segment] {
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let urlPattern = #"https?://[^\s<>\[\]()]+"#
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let mentionPattern = #"@([a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?"#
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let hashtagPattern = #"#([a-zA-Z][a-zA-Z0-9_]*)"#
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let hashtagPattern = #"#(\p{L}[\p{L}\p{N}_]*)"#
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struct Match {
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let range: Range<String.Index>