Code Coverage for I:\www\pvcRegex\src\unicode\RegexAlphaNumeric.php

1	<?php
2	/**
3	* @package: pvc
4	* @author: Doug Wilbourne (dougwilbourne@gmail.com)
5	*/
6
7	declare(strict_types = 1);
8
9	namespace pvc\regex\unicode;
10
11	use pvc\regex\Regex;
12
13	/**
14	* Class RegexAlphaNumeric
15	*/
16	class RegexAlphaNumeric extends Regex
17	{
18
19	/**
20	* RegexAlphanumeric constructor.
21	*
22	* we want letters represented as a single code point as well as letters modified by trailing
23	* combining marks. So we verify that the first letter in the subpattern is a letter and that
24	* when the remaining code points in the subpattern are marks.
25	*
26	* Numbers also have a subtlety, because there are numbers, decimal numbers, letter numbers and
27	* 'other numbers'. This expression is using decimal numbers.
28	*
29	*/
30	public function __construct()
31	{
32	$label = 'alphabetic text (only letters)';
33	/**
34	* the u modifier tells the engine to treat the subject and the pattern as UTF-8
35	*/
36	$pattern = '/^((\p{L}\p{M})\|\p{Nd})$/u';
37	$this->setPattern($pattern);
38	$this->setLabel($label);
39	}
40	}