Regular Expression for finding US Zip Codes ?

Question

Rajiv · Accepted Answer

Regular Expression for US Zip Code 
Rules: 5 digits-4 digits OR 5 digits  4 digits OR 5 digits only

\d{5}(-\d{4})?

Escape appropriately when using in a String. eg: \d

Small correction · Answer

\d{5}(-\d{4})?

This is only for Rules: 5 digits-4 digits OR 5 digits only

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