- $this->regexTrail = '(?![a-z])/iu';
-
- # Partial regular expressions
- $this->prxDM = '\[\[(\d{1,2})[ _](' . $this->monthNames . ')\]\]';
- $this->prxMD = '\[\[(' . $this->monthNames . ')[ _](\d{1,2})\]\]';
- $this->prxY = '\[\[(\d{1,4}([ _]BC|))\]\]';
- $this->prxISO1 = '\[\[(-?\d{4})]]-\[\[(\d{2})-(\d{2})\]\]';
- $this->prxISO2 = '\[\[(-?\d{4})-(\d{2})-(\d{2})\]\]';
-
- # Real regular expressions
- $this->regexes[self::DMY] = "/{$this->prxDM}(?: *, *| +){$this->prxY}{$this->regexTrail}";
- $this->regexes[self::YDM] = "/{$this->prxY}(?: *, *| +){$this->prxDM}{$this->regexTrail}";
- $this->regexes[self::MDY] = "/{$this->prxMD}(?: *, *| +){$this->prxY}{$this->regexTrail}";
- $this->regexes[self::YMD] = "/{$this->prxY}(?: *, *| +){$this->prxMD}{$this->regexTrail}";
- $this->regexes[self::DM] = "/{$this->prxDM}{$this->regexTrail}";
- $this->regexes[self::MD] = "/{$this->prxMD}{$this->regexTrail}";
- $this->regexes[self::ISO1] = "/{$this->prxISO1}{$this->regexTrail}";
- $this->regexes[self::ISO2] = "/{$this->prxISO2}{$this->regexTrail}";
-
- # Extraction keys
- # See the comments in replace() for the meaning of the letters
- $this->keys[self::DMY] = 'jFY';
- $this->keys[self::YDM] = 'Y jF';
- $this->keys[self::MDY] = 'FjY';
- $this->keys[self::YMD] = 'Y Fj';
- $this->keys[self::DM] = 'jF';
- $this->keys[self::MD] = 'Fj';
- $this->keys[self::ISO1] = 'ymd'; # y means ISO year
- $this->keys[self::ISO2] = 'ymd';
-
- # Target date formats
- $this->targets[self::DMY] = '[[F j|j F]] [[Y]]';
- $this->targets[self::YDM] = '[[Y]], [[F j|j F]]';
- $this->targets[self::MDY] = '[[F j]], [[Y]]';
- $this->targets[self::YMD] = '[[Y]] [[F j]]';
- $this->targets[self::DM] = '[[F j|j F]]';
- $this->targets[self::MD] = '[[F j]]';
- $this->targets[self::ISO1] = '[[Y|y]]-[[F j|m-d]]';
- $this->targets[self::ISO2] = '[[y-m-d]]';
-
- # Rules
- # pref source target
+ // Partial regular expressions
+ $monthNames = implode( '|', $monthRegexParts );
+ $dm = "(?<day>\d{1,2})[ _](?<monthName>{$monthNames})";
+ $md = "(?<monthName>{$monthNames})[ _](?<day>\d{1,2})";
+ $y = '(?<year>\d{1,4}([ _]BC|))';
+ $iso = '(?<isoYear>-?\d{4})-(?<isoMonth>\d{2})-(?<isoDay>\d{2})';
+
+ $this->regexes = [
+ self::DMY => "/^{$dm}(?: *, *| +){$y}$/iu",
+ self::YDM => "/^{$y}(?: *, *| +){$dm}$/iu",
+ self::MDY => "/^{$md}(?: *, *| +){$y}$/iu",
+ self::YMD => "/^{$y}(?: *, *| +){$md}$/iu",
+ self::DM => "/^{$dm}$/iu",
+ self::MD => "/^{$md}$/iu",
+ self::ISO => "/^{$iso}$/iu",
+ ];
+
+ // Target date formats
+ $this->targetFormats = [
+ self::DMY => 'j F Y',
+ self::YDM => 'Y, j F',
+ self::MDY => 'F j, Y',
+ self::YMD => 'Y F j',
+ self::DM => 'j F',
+ self::MD => 'F j',
+ self::ISO => 'y-m-d',
+ ];
+
+ // Rules
+ // pref source target