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Solution: Valid Word Abbreviation

Understand how to implement a two pointers approach to determine if an abbreviation correctly represents a given word. Learn to handle digit parsing, avoid invalid leading zeros, and verify character matches for accurate abbreviation validation.

Statement

Given a string, word, and abbreviation, abbr, return TRUE if the abbreviation matches the given string. Otherwise, return FALSE. An abbreviation can replace any non-adjacent, non-empty substrings of the original word with their lengths. Replacement lengths must not contain leading zeros.

A certain word, "calendar", can be abbreviated as follows:

  • "cal3ar" ("cal + end [length = 3] + ar" skipping three ...