Expresion regular placa vehicular [es]

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buenas noches quisiera saber si me pueden colaborar con la expresion regular en vb.net regex donde se valide que en un textbox solo se ingrese estos dos tipos de cadenas, tres letras y tres numneros o tres letras dos numeros y una letra

In English:
good night I wonder if I can collaborate with the regular expression regex in vb.net where you validate a textbox that only two types of chains enter three letters and three numbers or three letters two numbers and a letter

Posted 11-Aug-14 13:53pm

Diego Pereira Gonzalez

Updated 11-Aug-14 15:16pm

PIEBALDconsult

v3

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Thanks7872 12-Aug-14 1:21am

Please post questions in English only.

2 solutions

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Yvan Rodrigues · Answer 1 · 2014-08-11T14:11:00

Solution 1

[a-zA-Z]{3}[0-9]{3}|[a-zA-Z]{3}[0-9]{2}[a-zA-Z]

Posted 11-Aug-14 14:11pm

Yvan Rodrigues

Comments

PIEBALDconsult 11-Aug-14 21:16pm

That might require parentheses.

PIEBALDconsult · Answer 2 · 2014-08-11T15:19:00

Solution 2

If you mean these two patterns:
XXX999
XXX99X

Then this should work: [a-zA-Z]{3}[0-9]{2}[a-zA-Z0-9]

Posted 11-Aug-14 15:19pm

PIEBALDconsult

Updated 11-Aug-14 15:23pm

v2