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To split a long text into 200-character chunks with 50-character overlap without breaking words, which LangChain splitter is most appropriate?

hard📝 Conceptual Q8 of 15
LangChain - Text Splitting
To split a long text into 200-character chunks with 50-character overlap without breaking words, which LangChain splitter is most appropriate?
ARecursiveCharacterTextSplitter with default separators
BCharacterTextSplitter with word boundary separators
CSentenceSplitter without overlap
DTokenTextSplitter with fixed token size
Step-by-Step Solution
Solution:

  1. Step 1: Requirement analysis

    Chunks must not break words and have overlap.

  2. Step 2: Choose splitter

    CharacterTextSplitter allows specifying separators like spaces to avoid breaking words.

  3. Step 3: RecursiveCharacterTextSplitter splits recursively but may break words if separators not set.

  4. Final Answer:

    CharacterTextSplitter with word boundary separators -> Option B

  5. Quick Check:

    Use splitter with word boundary separators [OK]
Quick Trick: Use splitter that respects word boundaries [OK]
Common Mistakes:
  • Using RecursiveCharacterTextSplitter without separators
  • Assuming SentenceSplitter handles overlap
  • Choosing TokenTextSplitter without word boundary control

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