numeric

Validates that a field contains a numeric value, with support for custom thousand and decimal separators.

Options

Option	Type	Default	Description
thousandsSeparator	string	""	Character used as thousands separator (e.g. ",")
decimalSeparator	string	"."	Character used as decimal separator
message	string	locale default	Custom error message

Playground

Valid values

Value	Notes
"1234.56"	Standard decimal
"1,234.56"	With thousands separator
"-42"	Negative number

Invalid values

Value	Reason
"abc"	Not a number
"1.234,56"	Separators swapped without reconfiguring

Notes

• Empty string ("") always returns valid: true — validators only run on non-empty values. Combine with notEmpty to require a value.
• For European format, use thousandsSeparator: "." and decimalSeparator: ",".