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Regular Expression Validation

Jean Felipe

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I'm trying to use custom fields in the mask. See what I do:


I go into Setup > Client Custom Fields and Validation option I put the code below:


/^(\(?[0-9]{3,3}\)?|[0-9]{3,3}[-. ]?)[ ][0-9]{3,3}[-. ]?[0-9]{4,4}$/


But he just does not work.


Already tested in two WHMCS.


What can I do?


Thank you!

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