Regular Expression for a fixed length alphanumeric code in ASP.NET


 A length of 7 literal  starts with a(or A) with the third location with a letter(a-f or A-F) plus 4 more numbers.

ValidationExpression

=”^[a|A]+[0-9]+[0-9A-Fa-f]+\d{4}$”
 
 

 

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