Solution: Valid Word Abbreviation
Understand how to validate if an abbreviation correctly represents a word by applying the two pointers technique. This lesson guides you through matching letters and numeric skips step-by-step, helping you develop a linear time algorithm to verify abbreviations without leading zeros.
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Statement
A string can be abbreviated by replacing any number of non-adjacent, non-empty substrings with their respective lengths. The numeric replacements must not contain leading zeros.
Given a string word and an abbreviation abbr, determine whether abbr is a valid abbreviation of word.
The abbreviation abbr consists of lowercase English letters and numeric values. Each numeric value in abbr represents the number of characters skipped in word. Letters in abbr must match the corresponding characters in word exactly. The abbreviation is valid if and only if it fully accounts for every character in word from left to right with no characters remaining or ...