Regex ASCII character class
Regex ASCII character class
Function
Explains ASCII character-class syntax.
Syntax
regex(pattern, flags)
Parameters
| Parameters | Type | Required | Default value | Description |
|---|---|---|---|---|
| pattern | String | No | '' | ASCII character classes such as [[:digit:]] and [[:alpha:]] can be used. |
| flags | String | No | '' | Regular flags. |
Return value
| Type | Description |
|---|---|
| Regex | Returns a Regex object. |
Example
rule = regex('^[[:digit:]]+$', '') result = rule.test('2026') // Output: true print result
Notes
- The ASCII class only matches characters in the ASCII range.