function createRegExp() {
	return /[`~!@#%^&*()\-=+[\]{}\\/|;:'",<>? ]/;
}
Returns a regular expression for matching reserved JavaScript syntax characters.

@private
@returns {RegExp} regular expression

@example
var RE_SYNTAX_CHARS = createRegExp();

var bool = RE_SYNTAX_CHARS.test( '()' );
// returns true