original_string: public function getEscapedString()
      {
          if ($this->escapedString === null) {
              $this->escapedString = str_replace('-', ' ', $this->escape($this->getRawString()));
              $this->escapedString = preg_replace(['/\s+([0-9])/','/\s+/'], ['$1', ' '], $this->escapedString);
          }
          return $this->escapedString;
      }
code: public function getEscapedString()
      {
          if ($this->escapedString === null) {
              $this->escapedString = str_replace('-', ' ', $this->escape($this->getRawString()));
              $this->escapedString = preg_replace(['/\s+([0-9])/','/\s+/'], ['$1', ' '], $this->escapedString);
          }
          return $this->escapedString;
      }
code_tokens: public function getEscapedString ( ) { if ( $ this -> escapedString === null ) { $ this -> escapedString = str_replace ( '-' , ' ' , $ this -> escape ( $ this -> getRawString ( ) ) ) ; $ this -> escapedString = preg_replace ( [ '/\s+([0-9])/' , '/\s+/' ] , [ '$1' , ' ' ] , $ this -> escapedString ) ; } return $ this -> escapedString ; }
docstring: Remove spaces before numbers in order to avoid search errors
  Remove all dashes
  
  @return string
docstring_tokens: Remove spaces before numbers in order to avoid search errors Remove all dashes