javascript - Regex for determining if Alphanumeric code is in range -

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i'm working on icd10 diagnosis code application. need determine if 1 icd10 code falls in range. example:

code: 4a1h7ez

range: 4a1h7cz - 4a1h7hz

this should return 'true'.

i've tried converting alpha characters numbers (a=0, b=1 etc) resulting number conflicts other ranges/codes.

regex isn't strong point, suggestions appreciated.

do have use regex? seen here in comparing 2 strings alphabetically sorting purposes javascript auto compares strings.

so "4a1h7ez" > "4a1h7cz" && "4a1h7ez" < "4a1h7hz" return true


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