respect-validation/docs/validators/NumericVal.md
Alexandre Gomes Gaigalas 16148e9593 Standardize and improve validation message templates
- Remove redundant "valid" prefix:
   Date, DateTime, DateTimeDiff, Domain, Email, Iban, Imei, Ip, Isbn, Json, LanguageCode, LeapDate, LeapYear, Luhn, MacAddress, NfeAccessKey, Nif, Nip, Pesel, Phone, Pis, PolishIdCard, PostalCode, Roman, Slug, Tld, Url, Uuid, Version.

 - Remove redundant "value" suffix
   ArrayVal, BoolVal, Countable, FloatVal, IntVal, IterableVal, NumericVal, ScalarVal, StringVal.

 - Standardize "consist only of" phrasing
   Alnum, Alpha, Cntrl, Consonant, Digit, Graph, Lowercase, Printable, Punct, Space, Spaced, Uppercase, Vowel, Xdigit.

 - Improve file accessibility messages
   Directory, Executable, File, Image, Readable, SymbolicLink, Writable.

 - Improve grammar and article usage
   CreditCard, Extension, Mimetype, Regex, Size.
2026-02-03 19:58:55 +00:00

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# NumericVal
- `NumericVal()`
Validates whether the input is numeric.
```php
v::numericVal()->assert(-12);
// Validation passes successfully
v::numericVal()->assert('135.0');
// Validation passes successfully
```
This validator doesn't validate if the input is a valid number, for that
purpose use the [Number](Number.md) validator.
## Templates
### `NumericVal::TEMPLATE_STANDARD`
| Mode | Template |
| ---------: | :------------------------------ |
| `default` | {{subject}} must be numeric |
| `inverted` | {{subject}} must not be numeric |
## Template placeholders
| Placeholder | Description |
| ----------- | ---------------------------------------------------------------- |
| `subject` | The validated input or the custom validator name (if specified). |
## Categorization
- Numbers
- Types
## Changelog
| Version | Description |
| ------: | :------------------------------------- |
| 3.0.0 | Templates changed |
| 2.0.0 | Renamed from `Numeric` to `NumericVal` |
| 0.3.9 | Created as `Numeric` |
## See Also
- [Decimal](Decimal.md)
- [Digit](Digit.md)
- [Factor](Factor.md)
- [Finite](Finite.md)
- [FloatType](FloatType.md)
- [Infinite](Infinite.md)
- [IntType](IntType.md)
- [IntVal](IntVal.md)
- [Number](Number.md)
- [ScalarVal](ScalarVal.md)
- [Uppercase](Uppercase.md)