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respect-validation/docs/validators/Digit.md
Henrique Moody d2198dfd01
 Replace isValid() calls with assert() 
There's more value on showing how `assert()` displays the validation
messages than simply showing if `isValid()` returns `true` or `false`.

However, that increases the chances of having outdated documentation, so
I created a doc linter that updates the Markdown files with the
correct message.
2026-01-13 23:37:06 -07:00

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Digit

  • Digit()
  • Digit(string ...$additionalChars)

Validates whether the input contains only digits.

v::digit()->assert('020 612 1851');
// → "020 612 1851" must contain only digits (0-9)

v::digit(' ')->assert('020 612 1851');
// Validation passes successfully

v::digit()->assert('172.655.537-21');
// → "172.655.537-21" must contain only digits (0-9)

v::digit('.', '-')->assert('172.655.537-21');
// Validation passes successfully

Templates

Digit::TEMPLATE_STANDARD

Mode Template
default {{subject}} must contain only digits (0-9)
inverted {{subject}} must not contain digits (0-9)

Digit::TEMPLATE_EXTRA

Mode Template
default {{subject}} must contain only digits (0-9) and {{additionalChars}}
inverted {{subject}} must not contain digits (0-9) and {{additionalChars}}

Template placeholders

Placeholder Description
additionalChars Additional characters that are considered valid.
subject The validated input or the custom validator name (if specified).

Categorization

  • Numbers
  • Strings

Changelog

Version Description
2.0.0 Removed support to whitespaces by default
0.5.0 Renamed from Digits to Digit
0.3.9 Created as Digits

See also: