PregHelper class moved to Parser namespace.

Author: remorhaz

src/Parser.php

@@ -209,7 +209,7 @@ protected function flushReferenceBuffer()
     protected function setupReferenceType(Locator\Reference $reference)
     {
         $result = preg_match('#^(0|[1-9]\d*)$#u', $reference->getValue());
-        PregHelper::assertMatchResult(
+        Parser\PregHelper::assertMatchResult(
             $result,
             Parser\RegExpException::class,
             "Regular expression error on reference type detection"

src/Parser/Lexer/Scanner.php

@@ -3,7 +3,7 @@
 namespace Remorhaz\JSONPointer\Parser\Lexer;
 
 use Remorhaz\JSONPointer\Parser\Token;
-use Remorhaz\JSONPointer\PregHelper;
+use Remorhaz\JSONPointer\Parser\PregHelper;
 
 /**
  * Lexical analyzer's text scanner. It reads tokens directly from text string.

src/PregHelper.php renamed to src/Parser/PregHelper.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Remorhaz\JSONPointer;
+namespace Remorhaz\JSONPointer\Parser;
 
 /**
  * Helper to assert PREG function results.