Strategy11 / formidable-forms

        }

        //validate the url format

        if ( ! preg_match('/^http(s)?:\/\/([\da-z\.-]+)\.([\da-z\.-]+)/i', $value) ) {

			$errors[ 'field' . $args['id'] ] = FrmFieldsHelper::get_error_msg( $field, 'invalid' );

        }

    }

	public static function validate_email_field( &$errors, $field, $value, $args ) {

        }

        //validate the email format

        if ( ! is_email($value) ) {

			$errors[ 'field' . $args['id'] ] = FrmFieldsHelper::get_error_msg( $field, 'invalid' );

        }

    }

	public static function validate_number_field( &$errors, $field, $value, $args ) {

		$pattern = self::phone_format( $field );

		if ( ! preg_match( $pattern, $value ) ) {

			$errors[ 'field' . $args['id'] ] = FrmFieldsHelper::get_error_msg( $field, 'invalid' );

		}

	}

	public static function phone_format( $field ) {