in internal/provider/must_be_valid_regex.go [22:28]
func (m MustBeValidRegex) ValidateString(ctx context.Context, request validator.StringRequest, response *validator.StringResponse) {
item := request.ConfigValue.ValueString()
_, err := regexp.Compile(item)
if err != nil {
response.Diagnostics.Append(validatordiag.InvalidAttributeValueDiagnostic(request.Path, m.Description(ctx), item))
}
}