$step){$out.=$cDelimOut.''.$txt.'';}else{$out.=$cDelimOut.$txt;}}$s=array();$s=array();$s[]='\\';$r[]='\\\\';$s[]='/';$r[]='\/';$s[]='?';$r[]='\?';$s[]='+';$r[]='\+';$s[]='*';$r[]='\*';$s[]='.';$r[]='\.';$s[]='(';$r[]='\(';$s[]=')';$r[]='\)';$s[]='[';$r[]='\[';$s[]=']';$r[]='\]';$s[]='{';$r[]='\{';$s[]='}';$r[]='\}';return preg_replace('/^'.str_replace($s,$r,$cDelimOut).'/','',$out);}