Currency Regular Expressions

A set of regular expressions that helps you validate and parse Money/Currency/Price values.

Currency amount with optional thousands separators, negative numbers, and two-digit fraction:

/^-?\d+(,\d{3})*(\.\d{1,2})?$/

Matches:

Currency amount (no thousands separators, must be positive, two-digit fraction):

/(?:^[1-9]([0-9]+)?(?:\.[0-9]{1,2})?$)|(?:^(?:0)$)|(?:^[0-9]\.[0-9](?:[0-9])?$)/

Validate US dollars including zero dollars.

^(\$)?(([1-9]\d{0,2}(\,\d{3})*)|([1-9]\d*)|(0))(\.\d{2})?$