Semantic Version Maximizer

A log file contains various strings. Some are valid semantic versions in the format 'MAJOR.MINOR.PATCH' (e.g., 1.12.3). MAJOR, MINOR, and PATCH are non-negative integers. Extract all valid versions from the text (they are delimited by spaces or start/end of string) and print the highest one according to versioning rules (compare MAJOR, then MINOR, then PATCH). Example: Input: v1.2.3 version 1.10.0 update 1.10.2-beta Output: 1.10.0 (Note: 1.10.2-beta is invalid because of the hyphen; only X.Y.Z is allowed.)