408. Valid Word Abbreviation

A string can beabbreviatedby 服务器托管网replacing any number ofnon-adjacent,non-emptysubstrings with their lengths. The lengthsshould nothave leading zeros.

For example, a string such as"substitution"could be abbreviated as (but not limited to):

• "s10n"("s ubstitutio n")
• "sub4u4"("sub stit u tion")
• "12"("substitution")
• "su3i1u2on"("su bst i t u ti on")
• "substitution"(no substrings replaced)

The following arenot validabbreviations:

• "s55n"("s ubsti tutio n", the replaced substrings are adjacent)
• "s010n"(has leading zeros)
• "s0ubstitution"(replaces an empty substring)

Given a stringwordand an abbreviationabbr, returnwhether the stringmatchesthe given abbreviation.

Asubstringis a contiguousnon-emptysequence of characters within a string.

Example 1:

Input: word = "internationalization", abbr = "i12iz4n"
Output: true
Explanation: The word "internationalization" can be abbreviated as "i12iz4n" ("i nternational iz atio n").

Example 2:

Input: word = "apple", abbr = "a2e"
Output: false
Explanation: The word "apple" cannot be abbreviated as "a2e".

Constraints:

• 1
• wordconsists of only lowercase English letters.
• 1
• abbrconsists of lowercase English letters and digits.
• All the integers inabbrwill fit in a 32-bit integer.

class Solution {
    public boolean validWordAbbreviation(String word, String abbr)服务器托管网 {
        int i = 0;
        int j = 0;

        while(i

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