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Objective | Expression |
|---|---|
Only enter numeric characters 0-9 with a maximum limit of six characters | ^[0-9]{1,6}$ |
Alphanumeric string, upper and lowercase characters, with a minimum limit of 10 and a maximum limit of 20 | ^([a-zA-Z0-9_-]){10,20}$ |
10-digit phone number with hyphens | ^\d{3}-\d{3}-\d{4}$ |
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