Wolfram Language & System 11.0 (2016)|Legacy Documentation
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finds the longest contiguous subsequence of elements common to the strings or lists s1 and s2.
- If there are several common subsequences of the same length, LongestCommonSubsequence returns the one that appears earliest in s1.
- For strings, setting the option IgnoreCase->True makes LongestCommonSubsequence treat lowercase and uppercase letters as equivalent, and return the form of common subsequence that occurs in s1.
Introduced in 2008