408. Valid Word Abbreviation

Given a non-empty string s and an abbreviation abbr , return whether the string matches with the given abbreviation.

A string such as "word" contains only the following valid abbreviations:

["word", "1ord", "w1rd", "wo1d", "wor1", "2rd", "w2d", "wo2", "1o1d", "1or1", "w1r1", "1o2", "2r1", "3d", "w3", "4"]

Notice that only the above abbreviations are valid abbreviations of the string "word" . Any other string is not a valid abbreviation of "word" .

Note:
Assume s contains only lowercase letters and abbr contains only lowercase letters and digits.

Example 1:

Given 
s

 = "internationalization", 
abbr

 = "i12iz4n":
Return true.

Example 2:

Given 
s

 = "apple", 
abbr

 = "a2e":
Return false.

Difficulty:

Easy

Lock:

Prime

Company:

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