Computer Science · String Manipulation
Which approach is most computationally efficient for checking whether a large string contains a specific, fixed keyword?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Performing a manual character-by-character scan
- 2Using built-in contains() or index-based searching✓
- 3Extracting all possible substrings and comparing them
- 4Regular expression matching
Correct answer
Using built-in contains() or index-based searching
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