Keep a plural acronym in one piece: "APIs" no longer splits as "AP Is" [patch] - #102
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…" [patch] The acronym-tail rule breaks before the last capital of an uppercase run when a lowercase letter follows it, so that "XMLDoc" becomes "XML Doc". It also fired on a plural acronym, where the lowercase letter is only the plural "s", so "getIDs" became "get_i_ds". Don't break when that lowercase run is a lone "s" ending the word: followed by the end of the string, a non-letter or a capital. "HTTPServer" still splits. Fixes #99 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01AtF6Ynq3K6Km6HSRHaKuX8
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Fixes #99
What changed
IsWordBoundaryhas an acronym-tail rule: it breaks before the last capital of an uppercase run when a lowercase letter follows it, soXMLDocbecomesXML Doc. The rule also fired on plural acronyms, where that lowercase letter is just the plurals.A new
IsPluralSuffixcheck exempts a lonesthat ends its word. The word ends when thesis followed by the end of the string, a non-letter, or a capital. A longer lowercase run is still a real word, soHTTPServer,HTMLParser,ABCdefandIOStreamsplit exactly as before.APIsToSnakeCase()ap_isapisURLsToPascalCase()UrLsUrlsgetIDsToSnakeCase()get_i_dsget_idsthe URLs listToTitleCase()The Ur Ls ListThe Urls ListPDFsAndDOCsToSnakeCase()pd_fs_and_do_cspdfs_and_docsThis also brings the plural in line with the possessive form fixed in #93, where
API'salready givesapis.Testing
APluralAcronymShouldStayOneWordcovers every input from the issue, plusGUIDs_2, across Pascal, Camel, Snake, Kebab, Macro and Title.AnAcronymFollowedByAWordShouldStillSplitpins the boundary:HTTPServer,XMLDoc,HTMLParser,ABCdef,IOStreamandURLsList.dotnet build CaseConverter.slnbuilds every target (net10.0/9.0/8.0, netstandard2.0/2.1) with 0 warnings.🤖 Generated with Claude Code
https://claude.ai/code/session_01AtF6Ynq3K6Km6HSRHaKuX8
Generated by Claude Code