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Alnum

  • Alnum()
  • Alnum(string ...$additionalChars)

Validates whether the input is alphanumeric or not.

Alphanumeric is a combination of alphabetic (a-z and A-Z) and numeric (0-9) characters.

v::alnum()->isValid('foo 123'); // false
v::alnum(' ')->isValid('foo 123'); // true
v::alnum()->isValid('100%'); // false
v::alnum('%')->isValid('100%'); // true
v::alnum('%', ',')->isValid('10,5%'); // true

You can restrict case using the Lowercase and Uppercase validators.

v::alnum()->uppercase()->isValid('example'); // false

Message template for this validator includes {{additionalChars}} as the string of extra chars passed as the parameter.

Templates

Alnum::TEMPLATE_STANDARD

Mode Template
default {{subject}} must contain only letters (a-z) and digits (0-9)
inverted {{subject}} must not contain letters (a-z) or digits (0-9)

Alnum::TEMPLATE_EXTRA

Mode Template
default {{subject}} must contain only letters (a-z), digits (0-9), and {{additionalChars}}
inverted {{subject}} must not contain letters (a-z), digits (0-9), or {{additionalChars}}

Template placeholders

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

Categorization

  • Strings

Changelog

Version Description
2.0.0 Removed support to whitespaces by default
0.3.9 Created

See also: