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Improve "Delimiter for text" UX: clearer tooltip + live parsed-delimiter preview (#17385)

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## Summary

Improve the UX of the **"Delimiter for text"** field on the dataset
configuration page. The field is a single string with a backtick-based
mini-syntax, but both the tooltip and the surrounding UI failed to
surface what delimiters the backend would actually derive from a given
value — leaving users to discover by trial-and-error that the same
string produces different splits depending on file type (see #7436,
#4704, #9680).
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2026-07-27 10:51:54 +05:30
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parent 1571abd98a
commit c48eb70e67
5 changed files with 170 additions and 2 deletions
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web/src/locales/en.ts
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@@ -619,11 +619,15 @@ Example: A 1 KB message with 1024-dim embedding uses ~9 KB. The 5 MB default lim
topKTip: `Used together with the Rerank model, this setting defines the number of text chunks to be sent to the specified reranking model.`,
delimiter: `Delimiter for text`,
delimiterTip:
'A delimiter or separator can consist of one or multiple special characters. If it is multiple characters, ensure they are enclosed in backticks( ``). For example, if you configure your delimiters like this: \\n`##`;, then your texts will be separated at line breaks, double hash symbols (##), and semicolons.',
'A delimiter string is parsed into a list of delimiters. Backticks (` `) are the delimiter-of-delimiters: any matching pair of backticks wraps the characters inside it into one multi-character delimiter; any character outside backticks is itself a delimiter. Delimiters are matched longest-first. Example: \\n`##`; parses to three delimiters — newline (\\n), double hash (##), semicolon (;) — and your text will be split at any of them. Single-char delimiters (e.g. !?; → !, ?, ;) need no backticks; multi-char ones (e.g. ##, END) must be backtick-wrapped.',
enableChildrenDelimiter: 'Child chunk are used for retrieval',
childrenDelimiter: 'Delimiter for text',
childrenDelimiterTip:
'A delimiter or separator can consist of one or multiple special characters. If it is multiple characters, ensure they are enclosed in backticks( ``). For example, if you configure your delimiters like this: \\n`##`;, then your texts will be separated at line breaks, double hash symbols (##), and semicolons.',
'A delimiter string is parsed into a list of delimiters. Backticks (` `) are the delimiter-of-delimiters: any matching pair of backticks wraps the characters inside it into one multi-character delimiter; any character outside backticks is itself a delimiter. Delimiters are matched longest-first. Example: \\n`##`; parses to three delimiters — newline (\\n), double hash (##), semicolon (;) — and your text will be split at any of them. Single-char delimiters (e.g. !?; → !, ?, ;) need no backticks; multi-char ones (e.g. ##, END) must be backtick-wrapped.',
delimiterPreviewLabel: 'Splits at:',
delimiterPreviewEmpty:
'No delimiters — text will be chunked by size only.',
delimiterPreviewCount: '({{count}})',
html4excel: 'Excel to HTML',
html4excelTip: `Use with the General chunking method. When disabled, spreadsheets (XLSX or XLS(Excel 97-2003)) in the dataset will be parsed into key-value pairs. When enabled, they will be parsed into HTML tables, splitting every 12 rows if the original table has more than 12 rows. See https://ragflow.io/docs/dev/enable_excel2html for details.`,