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<?php |
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/** |
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* RegEx service interface |
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* |
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* @package SeQura/WC |
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* @subpackage SeQura/WC/Services |
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*/ |
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|
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namespace SeQura\WC\Services\Regex; |
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|
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/** |
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* Define methods to get regular expressions to validate data |
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*/ |
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class Regex implements Interface_Regex { |
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|
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/** |
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* Get regular expression to validate an IPv4 or IPv6 address |
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*/ |
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public function ip( bool $include_slashes = true ): string { |
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return $this->maybe_strip_slashes( |
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'/^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$/', |
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$include_slashes |
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); |
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} |
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|
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/** |
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* Get regular expression to validate a date or duration following ISO 8601 |
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*/ |
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public function date_or_duration( bool $include_slashes = true ): string { |
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return $this->maybe_strip_slashes( |
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'/^((?:\d{4}-(?:0[1-9]|1[0-2])-(?:0[1-9]|1\d|2[0-8]))|(?:\d{4}-(?:0[13-9]|1[0-2])-(?:29|30))|(?:\d{4}-(?:0[13578]|1[012])-(?:31))|(?:\d{2}(?:[02468][048]|[13579][26])-(?:02)-29)|(P(?:\d+Y)?(?:\d+M)?(?:\d+W)?(?:\d+D)?(?:T(?:\d+H)?(?:\d+M)?(?:\d+S)?)?))$/', |
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$include_slashes |
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); |
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} |
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|
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/** |
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* Maybe strip slashes from a regex |
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*/ |
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private function maybe_strip_slashes( string $regex, bool $include_slashes ): string { |
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return $include_slashes ? $regex : substr( $regex, 1, -1 ); |
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} |
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} |
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|
