for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
namespace Larapulse\Support\Helpers;
class Regex
{
public static function quantifyGroup(string $str, $min = null, $max = INF, string $tag = null) : string
$tag = $tag ? "?<{$tag}>" : '';
return "({$tag}{$str})".self::fetchQuantifier($min, $max);
}
/**
* Build quantifier from parameters
*
* @param int|null $min
* @param float|int $max
* @param bool $lazyLoad
* @return string
*/
public static function fetchQuantifier($min = null, $max = INF, bool $lazyLoad = false) : string
$lazy = $lazyLoad ? '?' : '';
switch (true) {
case ($min === 0 && $max === 1):
return '?'.$lazy;
case ($min === 0 && $max === INF):
return '*'.$lazy;
case ($min === 1 && $max === INF):
return '+'.$lazy;
case (is_int($min) && $min >= 1 && $max === null):
return '{'.$min.'}'.$lazy;
case (is_int($min) && (is_int($max) || $max === INF)):
$max = is_int($max) ? $max : '';
return '{'.$min.','.$max.'}'.$lazy;
default:
return '';
larapulse /
support
