String

Documentation Index

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Common string transformations, matching, and extraction.

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string.transformCapitalization — Transform Capitalization

Inputs Outputs Config:

• mode (string): upper (default), lower, title, abbreviation

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string.contains — String Contains

Inputs Outputs Config:

• caseSensitive (bool, default false)
• wholeWord (bool, default false) — splits on whitespace and compares whole tokens

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string.length — String Length

Counts Unicode scalar characters (not bytes). Inputs: value (data, string)
Outputs: length (data, integer)

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string.wordCount — Word Count

Inputs: value (data, string)
Outputs: count (data, integer) Config:

• separator (string, optional)
  • If provided and empty, counts characters.
  • If provided and non-empty, counts non-empty segments after splitting.
  • If omitted, uses a CJK-aware “word” heuristic.

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string.slice — String Slice

Inputs Outputs

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string.replace — String Replace

Inputs Outputs Config:

• useRegex (bool, default false)
• caseSensitive (bool, default true)
• global (bool, default true)

Notes:

• If regex compilation fails, the node returns the original string.

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string.trim — Trim

Inputs: value (data, string)
Outputs: result (data, string)

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string.split — Split

Inputs Outputs

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string.join — Join

Inputs Outputs: result (data, string) Notes:

• Non-string values in values are skipped (they do not error).

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string.concat — Concatenate

Inputs: a (string), b (string)
Outputs: result (string)

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string.matchesRegex — Matches Regex

Inputs: value (data, string)
Outputs: matches (data, boolean) Config:

• pattern (string)
• flags (string, optional): supports i, m, s, U, x, u

Notes:

• If regex compilation fails, matches is false.

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string.extractRegex — Extract Regex

Inputs: value (data, string)
Outputs Config: same as string.matchesRegex (pattern, flags)

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string.detectChinese — Detect Chinese

Inputs: text (data, string)
Outputs Notes:

• is_mixed only considers alphanumeric non-CJK characters (punctuation is ignored).

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string.translateToChinese — Translate to Chinese

Exec node that translates text to Simplified Chinese. Inputs Outputs Notes:

• Requires a translator service in the backend runtime; if missing, the node errors.