page/page.go
func (p SearchInResourceParams) WithIsRegex(isRegex bool) *SearchInResourceParams {
	p.IsRegex = isRegex
	return &p
}
func (p SearchInResourceParams) WithIsRegex(isRegex bool) *SearchInResourceParams {
	p.IsRegex = isRegex
	return &p
}
// WithIsRegex if true, treats string parameter as regex.